diff --git a/netmap/filter.go b/netmap/filter.go
index 7b1abb1..c6e2e61 100644
--- a/netmap/filter.go
+++ b/netmap/filter.go
@@ -39,7 +39,7 @@ func (c *context) processFilter(f netmap.Filter, top bool) error {
 	inner := f.GetFilters()
 
 	switch op := f.GetOp(); op {
-	case netmap.AND, netmap.OR:
+	case netmap.AND, netmap.OR, netmap.NOT:
 		for i := range inner {
 			if err := c.processFilter(inner[i], false); err != nil {
 				return fmt.Errorf("process inner filter #%d: %w", i, err)
@@ -79,6 +79,16 @@ func (c *context) processFilter(f netmap.Filter, top bool) error {
 // and missing node properties are considered as a regular fail.
 func (c *context) match(f *netmap.Filter, b NodeInfo) bool {
 	switch f.GetOp() {
+	case netmap.NOT:
+		inner := f.GetFilters()
+		fSub := &inner[0]
+		if name := inner[0].GetName(); name != "" {
+			fSub = c.processedFilters[name]
+		}
+		if ok := c.match(fSub, b); !ok {
+			return true
+		}
+		return false
 	case netmap.AND, netmap.OR:
 		inner := f.GetFilters()
 		for i := range inner {
diff --git a/netmap/parser/Query.g4 b/netmap/parser/Query.g4
index 52fcb4f..a52746a 100644
--- a/netmap/parser/Query.g4
+++ b/netmap/parser/Query.g4
@@ -22,7 +22,8 @@ selectStmt:
 clause: CLAUSE_SAME | CLAUSE_DISTINCT; // nodes from distinct buckets
 
 filterExpr:
-    F1 = filterExpr Op = AND_OP F2 = filterExpr
+    Op = NOT_OP '(' F1 = filterExpr ')'
+    | F1 = filterExpr Op = AND_OP F2 = filterExpr
     | F1 = filterExpr Op = OR_OP F2 = filterExpr
     | '(' Inner = filterExpr ')'
     | expr
diff --git a/netmap/parser/Query.interp b/netmap/parser/Query.interp
index 298ddae..60db0a9 100644
Binary files a/netmap/parser/Query.interp and b/netmap/parser/Query.interp differ
diff --git a/netmap/parser/Query.tokens b/netmap/parser/Query.tokens
index 7f5aee9..8fdec7d 100644
Binary files a/netmap/parser/Query.tokens and b/netmap/parser/Query.tokens differ
diff --git a/netmap/parser/QueryLexer.g4 b/netmap/parser/QueryLexer.g4
index 6c245b6..f32023c 100644
--- a/netmap/parser/QueryLexer.g4
+++ b/netmap/parser/QueryLexer.g4
@@ -1,5 +1,6 @@
 lexer grammar QueryLexer;
 
+NOT_OP     : 'NOT';
 AND_OP     : 'AND';
 OR_OP      : 'OR';
 SIMPLE_OP  : 'EQ' | 'NE' | 'GE' | 'GT' | 'LT' | 'LE';
diff --git a/netmap/parser/QueryLexer.interp b/netmap/parser/QueryLexer.interp
index 80a47ce..71b093c 100644
Binary files a/netmap/parser/QueryLexer.interp and b/netmap/parser/QueryLexer.interp differ
diff --git a/netmap/parser/QueryLexer.tokens b/netmap/parser/QueryLexer.tokens
index 7f5aee9..8fdec7d 100644
Binary files a/netmap/parser/QueryLexer.tokens and b/netmap/parser/QueryLexer.tokens differ
diff --git a/netmap/parser/query_lexer.go b/netmap/parser/query_lexer.go
index 7c24aae..f831e9a 100644
--- a/netmap/parser/query_lexer.go
+++ b/netmap/parser/query_lexer.go
@@ -44,112 +44,114 @@ func querylexerLexerInit() {
 		"DEFAULT_MODE",
 	}
 	staticData.literalNames = []string{
-		"", "'AND'", "'OR'", "", "'REP'", "'IN'", "'AS'", "'CBF'", "'SELECT'",
-		"'FROM'", "'FILTER'", "'*'", "'SAME'", "'DISTINCT'", "'('", "')'", "'@'",
-		"", "", "'0'",
+		"", "'NOT'", "'AND'", "'OR'", "", "'REP'", "'IN'", "'AS'", "'CBF'",
+		"'SELECT'", "'FROM'", "'FILTER'", "'*'", "'SAME'", "'DISTINCT'", "'('",
+		"')'", "'@'", "", "", "'0'",
 	}
 	staticData.symbolicNames = []string{
-		"", "AND_OP", "OR_OP", "SIMPLE_OP", "REP", "IN", "AS", "CBF", "SELECT",
-		"FROM", "FILTER", "WILDCARD", "CLAUSE_SAME", "CLAUSE_DISTINCT", "L_PAREN",
-		"R_PAREN", "AT", "IDENT", "NUMBER1", "ZERO", "STRING", "WS",
+		"", "NOT_OP", "AND_OP", "OR_OP", "SIMPLE_OP", "REP", "IN", "AS", "CBF",
+		"SELECT", "FROM", "FILTER", "WILDCARD", "CLAUSE_SAME", "CLAUSE_DISTINCT",
+		"L_PAREN", "R_PAREN", "AT", "IDENT", "NUMBER1", "ZERO", "STRING", "WS",
 	}
 	staticData.ruleNames = []string{
-		"AND_OP", "OR_OP", "SIMPLE_OP", "REP", "IN", "AS", "CBF", "SELECT",
-		"FROM", "FILTER", "WILDCARD", "CLAUSE_SAME", "CLAUSE_DISTINCT", "L_PAREN",
-		"R_PAREN", "AT", "IDENT", "Digit", "Nondigit", "NUMBER1", "ZERO", "STRING",
-		"ESC", "UNICODE", "HEX", "SAFECODEPOINTSINGLE", "SAFECODEPOINTDOUBLE",
+		"NOT_OP", "AND_OP", "OR_OP", "SIMPLE_OP", "REP", "IN", "AS", "CBF",
+		"SELECT", "FROM", "FILTER", "WILDCARD", "CLAUSE_SAME", "CLAUSE_DISTINCT",
+		"L_PAREN", "R_PAREN", "AT", "IDENT", "Digit", "Nondigit", "NUMBER1",
+		"ZERO", "STRING", "ESC", "UNICODE", "HEX", "SAFECODEPOINTSINGLE", "SAFECODEPOINTDOUBLE",
 		"WS",
 	}
 	staticData.predictionContextCache = antlr.NewPredictionContextCache()
 	staticData.serializedATN = []int32{
-		4, 0, 21, 198, 6, -1, 2, 0, 7, 0, 2, 1, 7, 1, 2, 2, 7, 2, 2, 3, 7, 3, 2,
+		4, 0, 22, 204, 6, -1, 2, 0, 7, 0, 2, 1, 7, 1, 2, 2, 7, 2, 2, 3, 7, 3, 2,
 		4, 7, 4, 2, 5, 7, 5, 2, 6, 7, 6, 2, 7, 7, 7, 2, 8, 7, 8, 2, 9, 7, 9, 2,
 		10, 7, 10, 2, 11, 7, 11, 2, 12, 7, 12, 2, 13, 7, 13, 2, 14, 7, 14, 2, 15,
 		7, 15, 2, 16, 7, 16, 2, 17, 7, 17, 2, 18, 7, 18, 2, 19, 7, 19, 2, 20, 7,
 		20, 2, 21, 7, 21, 2, 22, 7, 22, 2, 23, 7, 23, 2, 24, 7, 24, 2, 25, 7, 25,
-		2, 26, 7, 26, 2, 27, 7, 27, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1,
-		2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 3,
-		2, 77, 8, 2, 1, 3, 1, 3, 1, 3, 1, 3, 1, 4, 1, 4, 1, 4, 1, 5, 1, 5, 1, 5,
-		1, 6, 1, 6, 1, 6, 1, 6, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 8,
-		1, 8, 1, 8, 1, 8, 1, 8, 1, 9, 1, 9, 1, 9, 1, 9, 1, 9, 1, 9, 1, 9, 1, 10,
-		1, 10, 1, 11, 1, 11, 1, 11, 1, 11, 1, 11, 1, 12, 1, 12, 1, 12, 1, 12, 1,
-		12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 13, 1, 13, 1, 14, 1, 14, 1, 15, 1, 15,
-		1, 16, 1, 16, 1, 16, 5, 16, 137, 8, 16, 10, 16, 12, 16, 140, 9, 16, 1,
-		17, 1, 17, 1, 18, 1, 18, 1, 19, 1, 19, 5, 19, 148, 8, 19, 10, 19, 12, 19,
-		151, 9, 19, 1, 20, 1, 20, 1, 21, 1, 21, 1, 21, 5, 21, 158, 8, 21, 10, 21,
-		12, 21, 161, 9, 21, 1, 21, 1, 21, 1, 21, 1, 21, 5, 21, 167, 8, 21, 10,
-		21, 12, 21, 170, 9, 21, 1, 21, 3, 21, 173, 8, 21, 1, 22, 1, 22, 1, 22,
-		3, 22, 178, 8, 22, 1, 23, 1, 23, 1, 23, 1, 23, 1, 23, 1, 23, 1, 24, 1,
-		24, 1, 25, 1, 25, 1, 26, 1, 26, 1, 27, 4, 27, 193, 8, 27, 11, 27, 12, 27,
-		194, 1, 27, 1, 27, 0, 0, 28, 1, 1, 3, 2, 5, 3, 7, 4, 9, 5, 11, 6, 13, 7,
-		15, 8, 17, 9, 19, 10, 21, 11, 23, 12, 25, 13, 27, 14, 29, 15, 31, 16, 33,
-		17, 35, 0, 37, 0, 39, 18, 41, 19, 43, 20, 45, 0, 47, 0, 49, 0, 51, 0, 53,
-		0, 55, 21, 1, 0, 8, 1, 0, 48, 57, 3, 0, 65, 90, 95, 95, 97, 122, 1, 0,
-		49, 57, 9, 0, 34, 34, 39, 39, 47, 47, 92, 92, 98, 98, 102, 102, 110, 110,
-		114, 114, 116, 116, 3, 0, 48, 57, 65, 70, 97, 102, 3, 0, 0, 31, 39, 39,
-		92, 92, 3, 0, 0, 31, 34, 34, 92, 92, 3, 0, 9, 10, 13, 13, 32, 32, 205,
-		0, 1, 1, 0, 0, 0, 0, 3, 1, 0, 0, 0, 0, 5, 1, 0, 0, 0, 0, 7, 1, 0, 0, 0,
-		0, 9, 1, 0, 0, 0, 0, 11, 1, 0, 0, 0, 0, 13, 1, 0, 0, 0, 0, 15, 1, 0, 0,
-		0, 0, 17, 1, 0, 0, 0, 0, 19, 1, 0, 0, 0, 0, 21, 1, 0, 0, 0, 0, 23, 1, 0,
-		0, 0, 0, 25, 1, 0, 0, 0, 0, 27, 1, 0, 0, 0, 0, 29, 1, 0, 0, 0, 0, 31, 1,
-		0, 0, 0, 0, 33, 1, 0, 0, 0, 0, 39, 1, 0, 0, 0, 0, 41, 1, 0, 0, 0, 0, 43,
-		1, 0, 0, 0, 0, 55, 1, 0, 0, 0, 1, 57, 1, 0, 0, 0, 3, 61, 1, 0, 0, 0, 5,
-		76, 1, 0, 0, 0, 7, 78, 1, 0, 0, 0, 9, 82, 1, 0, 0, 0, 11, 85, 1, 0, 0,
-		0, 13, 88, 1, 0, 0, 0, 15, 92, 1, 0, 0, 0, 17, 99, 1, 0, 0, 0, 19, 104,
-		1, 0, 0, 0, 21, 111, 1, 0, 0, 0, 23, 113, 1, 0, 0, 0, 25, 118, 1, 0, 0,
-		0, 27, 127, 1, 0, 0, 0, 29, 129, 1, 0, 0, 0, 31, 131, 1, 0, 0, 0, 33, 133,
-		1, 0, 0, 0, 35, 141, 1, 0, 0, 0, 37, 143, 1, 0, 0, 0, 39, 145, 1, 0, 0,
-		0, 41, 152, 1, 0, 0, 0, 43, 172, 1, 0, 0, 0, 45, 174, 1, 0, 0, 0, 47, 179,
-		1, 0, 0, 0, 49, 185, 1, 0, 0, 0, 51, 187, 1, 0, 0, 0, 53, 189, 1, 0, 0,
-		0, 55, 192, 1, 0, 0, 0, 57, 58, 5, 65, 0, 0, 58, 59, 5, 78, 0, 0, 59, 60,
-		5, 68, 0, 0, 60, 2, 1, 0, 0, 0, 61, 62, 5, 79, 0, 0, 62, 63, 5, 82, 0,
-		0, 63, 4, 1, 0, 0, 0, 64, 65, 5, 69, 0, 0, 65, 77, 5, 81, 0, 0, 66, 67,
-		5, 78, 0, 0, 67, 77, 5, 69, 0, 0, 68, 69, 5, 71, 0, 0, 69, 77, 5, 69, 0,
-		0, 70, 71, 5, 71, 0, 0, 71, 77, 5, 84, 0, 0, 72, 73, 5, 76, 0, 0, 73, 77,
-		5, 84, 0, 0, 74, 75, 5, 76, 0, 0, 75, 77, 5, 69, 0, 0, 76, 64, 1, 0, 0,
-		0, 76, 66, 1, 0, 0, 0, 76, 68, 1, 0, 0, 0, 76, 70, 1, 0, 0, 0, 76, 72,
-		1, 0, 0, 0, 76, 74, 1, 0, 0, 0, 77, 6, 1, 0, 0, 0, 78, 79, 5, 82, 0, 0,
-		79, 80, 5, 69, 0, 0, 80, 81, 5, 80, 0, 0, 81, 8, 1, 0, 0, 0, 82, 83, 5,
-		73, 0, 0, 83, 84, 5, 78, 0, 0, 84, 10, 1, 0, 0, 0, 85, 86, 5, 65, 0, 0,
-		86, 87, 5, 83, 0, 0, 87, 12, 1, 0, 0, 0, 88, 89, 5, 67, 0, 0, 89, 90, 5,
-		66, 0, 0, 90, 91, 5, 70, 0, 0, 91, 14, 1, 0, 0, 0, 92, 93, 5, 83, 0, 0,
-		93, 94, 5, 69, 0, 0, 94, 95, 5, 76, 0, 0, 95, 96, 5, 69, 0, 0, 96, 97,
-		5, 67, 0, 0, 97, 98, 5, 84, 0, 0, 98, 16, 1, 0, 0, 0, 99, 100, 5, 70, 0,
-		0, 100, 101, 5, 82, 0, 0, 101, 102, 5, 79, 0, 0, 102, 103, 5, 77, 0, 0,
-		103, 18, 1, 0, 0, 0, 104, 105, 5, 70, 0, 0, 105, 106, 5, 73, 0, 0, 106,
-		107, 5, 76, 0, 0, 107, 108, 5, 84, 0, 0, 108, 109, 5, 69, 0, 0, 109, 110,
-		5, 82, 0, 0, 110, 20, 1, 0, 0, 0, 111, 112, 5, 42, 0, 0, 112, 22, 1, 0,
-		0, 0, 113, 114, 5, 83, 0, 0, 114, 115, 5, 65, 0, 0, 115, 116, 5, 77, 0,
-		0, 116, 117, 5, 69, 0, 0, 117, 24, 1, 0, 0, 0, 118, 119, 5, 68, 0, 0, 119,
-		120, 5, 73, 0, 0, 120, 121, 5, 83, 0, 0, 121, 122, 5, 84, 0, 0, 122, 123,
-		5, 73, 0, 0, 123, 124, 5, 78, 0, 0, 124, 125, 5, 67, 0, 0, 125, 126, 5,
-		84, 0, 0, 126, 26, 1, 0, 0, 0, 127, 128, 5, 40, 0, 0, 128, 28, 1, 0, 0,
-		0, 129, 130, 5, 41, 0, 0, 130, 30, 1, 0, 0, 0, 131, 132, 5, 64, 0, 0, 132,
-		32, 1, 0, 0, 0, 133, 138, 3, 37, 18, 0, 134, 137, 3, 35, 17, 0, 135, 137,
-		3, 37, 18, 0, 136, 134, 1, 0, 0, 0, 136, 135, 1, 0, 0, 0, 137, 140, 1,
-		0, 0, 0, 138, 136, 1, 0, 0, 0, 138, 139, 1, 0, 0, 0, 139, 34, 1, 0, 0,
-		0, 140, 138, 1, 0, 0, 0, 141, 142, 7, 0, 0, 0, 142, 36, 1, 0, 0, 0, 143,
-		144, 7, 1, 0, 0, 144, 38, 1, 0, 0, 0, 145, 149, 7, 2, 0, 0, 146, 148, 3,
-		35, 17, 0, 147, 146, 1, 0, 0, 0, 148, 151, 1, 0, 0, 0, 149, 147, 1, 0,
-		0, 0, 149, 150, 1, 0, 0, 0, 150, 40, 1, 0, 0, 0, 151, 149, 1, 0, 0, 0,
-		152, 153, 5, 48, 0, 0, 153, 42, 1, 0, 0, 0, 154, 159, 5, 34, 0, 0, 155,
-		158, 3, 45, 22, 0, 156, 158, 3, 53, 26, 0, 157, 155, 1, 0, 0, 0, 157, 156,
-		1, 0, 0, 0, 158, 161, 1, 0, 0, 0, 159, 157, 1, 0, 0, 0, 159, 160, 1, 0,
-		0, 0, 160, 162, 1, 0, 0, 0, 161, 159, 1, 0, 0, 0, 162, 173, 5, 34, 0, 0,
-		163, 168, 5, 39, 0, 0, 164, 167, 3, 45, 22, 0, 165, 167, 3, 51, 25, 0,
-		166, 164, 1, 0, 0, 0, 166, 165, 1, 0, 0, 0, 167, 170, 1, 0, 0, 0, 168,
-		166, 1, 0, 0, 0, 168, 169, 1, 0, 0, 0, 169, 171, 1, 0, 0, 0, 170, 168,
-		1, 0, 0, 0, 171, 173, 5, 39, 0, 0, 172, 154, 1, 0, 0, 0, 172, 163, 1, 0,
-		0, 0, 173, 44, 1, 0, 0, 0, 174, 177, 5, 92, 0, 0, 175, 178, 7, 3, 0, 0,
-		176, 178, 3, 47, 23, 0, 177, 175, 1, 0, 0, 0, 177, 176, 1, 0, 0, 0, 178,
-		46, 1, 0, 0, 0, 179, 180, 5, 117, 0, 0, 180, 181, 3, 49, 24, 0, 181, 182,
-		3, 49, 24, 0, 182, 183, 3, 49, 24, 0, 183, 184, 3, 49, 24, 0, 184, 48,
-		1, 0, 0, 0, 185, 186, 7, 4, 0, 0, 186, 50, 1, 0, 0, 0, 187, 188, 8, 5,
-		0, 0, 188, 52, 1, 0, 0, 0, 189, 190, 8, 6, 0, 0, 190, 54, 1, 0, 0, 0, 191,
-		193, 7, 7, 0, 0, 192, 191, 1, 0, 0, 0, 193, 194, 1, 0, 0, 0, 194, 192,
-		1, 0, 0, 0, 194, 195, 1, 0, 0, 0, 195, 196, 1, 0, 0, 0, 196, 197, 6, 27,
-		0, 0, 197, 56, 1, 0, 0, 0, 12, 0, 76, 136, 138, 149, 157, 159, 166, 168,
-		172, 177, 194, 1, 6, 0, 0,
+		2, 26, 7, 26, 2, 27, 7, 27, 2, 28, 7, 28, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1,
+		1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 2, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3,
+		1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 3, 3, 83, 8, 3, 1, 4, 1, 4, 1, 4, 1,
+		4, 1, 5, 1, 5, 1, 5, 1, 6, 1, 6, 1, 6, 1, 7, 1, 7, 1, 7, 1, 7, 1, 8, 1,
+		8, 1, 8, 1, 8, 1, 8, 1, 8, 1, 8, 1, 9, 1, 9, 1, 9, 1, 9, 1, 9, 1, 10, 1,
+		10, 1, 10, 1, 10, 1, 10, 1, 10, 1, 10, 1, 11, 1, 11, 1, 12, 1, 12, 1, 12,
+		1, 12, 1, 12, 1, 13, 1, 13, 1, 13, 1, 13, 1, 13, 1, 13, 1, 13, 1, 13, 1,
+		13, 1, 14, 1, 14, 1, 15, 1, 15, 1, 16, 1, 16, 1, 17, 1, 17, 1, 17, 5, 17,
+		143, 8, 17, 10, 17, 12, 17, 146, 9, 17, 1, 18, 1, 18, 1, 19, 1, 19, 1,
+		20, 1, 20, 5, 20, 154, 8, 20, 10, 20, 12, 20, 157, 9, 20, 1, 21, 1, 21,
+		1, 22, 1, 22, 1, 22, 5, 22, 164, 8, 22, 10, 22, 12, 22, 167, 9, 22, 1,
+		22, 1, 22, 1, 22, 1, 22, 5, 22, 173, 8, 22, 10, 22, 12, 22, 176, 9, 22,
+		1, 22, 3, 22, 179, 8, 22, 1, 23, 1, 23, 1, 23, 3, 23, 184, 8, 23, 1, 24,
+		1, 24, 1, 24, 1, 24, 1, 24, 1, 24, 1, 25, 1, 25, 1, 26, 1, 26, 1, 27, 1,
+		27, 1, 28, 4, 28, 199, 8, 28, 11, 28, 12, 28, 200, 1, 28, 1, 28, 0, 0,
+		29, 1, 1, 3, 2, 5, 3, 7, 4, 9, 5, 11, 6, 13, 7, 15, 8, 17, 9, 19, 10, 21,
+		11, 23, 12, 25, 13, 27, 14, 29, 15, 31, 16, 33, 17, 35, 18, 37, 0, 39,
+		0, 41, 19, 43, 20, 45, 21, 47, 0, 49, 0, 51, 0, 53, 0, 55, 0, 57, 22, 1,
+		0, 8, 1, 0, 48, 57, 3, 0, 65, 90, 95, 95, 97, 122, 1, 0, 49, 57, 9, 0,
+		34, 34, 39, 39, 47, 47, 92, 92, 98, 98, 102, 102, 110, 110, 114, 114, 116,
+		116, 3, 0, 48, 57, 65, 70, 97, 102, 3, 0, 0, 31, 39, 39, 92, 92, 3, 0,
+		0, 31, 34, 34, 92, 92, 3, 0, 9, 10, 13, 13, 32, 32, 211, 0, 1, 1, 0, 0,
+		0, 0, 3, 1, 0, 0, 0, 0, 5, 1, 0, 0, 0, 0, 7, 1, 0, 0, 0, 0, 9, 1, 0, 0,
+		0, 0, 11, 1, 0, 0, 0, 0, 13, 1, 0, 0, 0, 0, 15, 1, 0, 0, 0, 0, 17, 1, 0,
+		0, 0, 0, 19, 1, 0, 0, 0, 0, 21, 1, 0, 0, 0, 0, 23, 1, 0, 0, 0, 0, 25, 1,
+		0, 0, 0, 0, 27, 1, 0, 0, 0, 0, 29, 1, 0, 0, 0, 0, 31, 1, 0, 0, 0, 0, 33,
+		1, 0, 0, 0, 0, 35, 1, 0, 0, 0, 0, 41, 1, 0, 0, 0, 0, 43, 1, 0, 0, 0, 0,
+		45, 1, 0, 0, 0, 0, 57, 1, 0, 0, 0, 1, 59, 1, 0, 0, 0, 3, 63, 1, 0, 0, 0,
+		5, 67, 1, 0, 0, 0, 7, 82, 1, 0, 0, 0, 9, 84, 1, 0, 0, 0, 11, 88, 1, 0,
+		0, 0, 13, 91, 1, 0, 0, 0, 15, 94, 1, 0, 0, 0, 17, 98, 1, 0, 0, 0, 19, 105,
+		1, 0, 0, 0, 21, 110, 1, 0, 0, 0, 23, 117, 1, 0, 0, 0, 25, 119, 1, 0, 0,
+		0, 27, 124, 1, 0, 0, 0, 29, 133, 1, 0, 0, 0, 31, 135, 1, 0, 0, 0, 33, 137,
+		1, 0, 0, 0, 35, 139, 1, 0, 0, 0, 37, 147, 1, 0, 0, 0, 39, 149, 1, 0, 0,
+		0, 41, 151, 1, 0, 0, 0, 43, 158, 1, 0, 0, 0, 45, 178, 1, 0, 0, 0, 47, 180,
+		1, 0, 0, 0, 49, 185, 1, 0, 0, 0, 51, 191, 1, 0, 0, 0, 53, 193, 1, 0, 0,
+		0, 55, 195, 1, 0, 0, 0, 57, 198, 1, 0, 0, 0, 59, 60, 5, 78, 0, 0, 60, 61,
+		5, 79, 0, 0, 61, 62, 5, 84, 0, 0, 62, 2, 1, 0, 0, 0, 63, 64, 5, 65, 0,
+		0, 64, 65, 5, 78, 0, 0, 65, 66, 5, 68, 0, 0, 66, 4, 1, 0, 0, 0, 67, 68,
+		5, 79, 0, 0, 68, 69, 5, 82, 0, 0, 69, 6, 1, 0, 0, 0, 70, 71, 5, 69, 0,
+		0, 71, 83, 5, 81, 0, 0, 72, 73, 5, 78, 0, 0, 73, 83, 5, 69, 0, 0, 74, 75,
+		5, 71, 0, 0, 75, 83, 5, 69, 0, 0, 76, 77, 5, 71, 0, 0, 77, 83, 5, 84, 0,
+		0, 78, 79, 5, 76, 0, 0, 79, 83, 5, 84, 0, 0, 80, 81, 5, 76, 0, 0, 81, 83,
+		5, 69, 0, 0, 82, 70, 1, 0, 0, 0, 82, 72, 1, 0, 0, 0, 82, 74, 1, 0, 0, 0,
+		82, 76, 1, 0, 0, 0, 82, 78, 1, 0, 0, 0, 82, 80, 1, 0, 0, 0, 83, 8, 1, 0,
+		0, 0, 84, 85, 5, 82, 0, 0, 85, 86, 5, 69, 0, 0, 86, 87, 5, 80, 0, 0, 87,
+		10, 1, 0, 0, 0, 88, 89, 5, 73, 0, 0, 89, 90, 5, 78, 0, 0, 90, 12, 1, 0,
+		0, 0, 91, 92, 5, 65, 0, 0, 92, 93, 5, 83, 0, 0, 93, 14, 1, 0, 0, 0, 94,
+		95, 5, 67, 0, 0, 95, 96, 5, 66, 0, 0, 96, 97, 5, 70, 0, 0, 97, 16, 1, 0,
+		0, 0, 98, 99, 5, 83, 0, 0, 99, 100, 5, 69, 0, 0, 100, 101, 5, 76, 0, 0,
+		101, 102, 5, 69, 0, 0, 102, 103, 5, 67, 0, 0, 103, 104, 5, 84, 0, 0, 104,
+		18, 1, 0, 0, 0, 105, 106, 5, 70, 0, 0, 106, 107, 5, 82, 0, 0, 107, 108,
+		5, 79, 0, 0, 108, 109, 5, 77, 0, 0, 109, 20, 1, 0, 0, 0, 110, 111, 5, 70,
+		0, 0, 111, 112, 5, 73, 0, 0, 112, 113, 5, 76, 0, 0, 113, 114, 5, 84, 0,
+		0, 114, 115, 5, 69, 0, 0, 115, 116, 5, 82, 0, 0, 116, 22, 1, 0, 0, 0, 117,
+		118, 5, 42, 0, 0, 118, 24, 1, 0, 0, 0, 119, 120, 5, 83, 0, 0, 120, 121,
+		5, 65, 0, 0, 121, 122, 5, 77, 0, 0, 122, 123, 5, 69, 0, 0, 123, 26, 1,
+		0, 0, 0, 124, 125, 5, 68, 0, 0, 125, 126, 5, 73, 0, 0, 126, 127, 5, 83,
+		0, 0, 127, 128, 5, 84, 0, 0, 128, 129, 5, 73, 0, 0, 129, 130, 5, 78, 0,
+		0, 130, 131, 5, 67, 0, 0, 131, 132, 5, 84, 0, 0, 132, 28, 1, 0, 0, 0, 133,
+		134, 5, 40, 0, 0, 134, 30, 1, 0, 0, 0, 135, 136, 5, 41, 0, 0, 136, 32,
+		1, 0, 0, 0, 137, 138, 5, 64, 0, 0, 138, 34, 1, 0, 0, 0, 139, 144, 3, 39,
+		19, 0, 140, 143, 3, 37, 18, 0, 141, 143, 3, 39, 19, 0, 142, 140, 1, 0,
+		0, 0, 142, 141, 1, 0, 0, 0, 143, 146, 1, 0, 0, 0, 144, 142, 1, 0, 0, 0,
+		144, 145, 1, 0, 0, 0, 145, 36, 1, 0, 0, 0, 146, 144, 1, 0, 0, 0, 147, 148,
+		7, 0, 0, 0, 148, 38, 1, 0, 0, 0, 149, 150, 7, 1, 0, 0, 150, 40, 1, 0, 0,
+		0, 151, 155, 7, 2, 0, 0, 152, 154, 3, 37, 18, 0, 153, 152, 1, 0, 0, 0,
+		154, 157, 1, 0, 0, 0, 155, 153, 1, 0, 0, 0, 155, 156, 1, 0, 0, 0, 156,
+		42, 1, 0, 0, 0, 157, 155, 1, 0, 0, 0, 158, 159, 5, 48, 0, 0, 159, 44, 1,
+		0, 0, 0, 160, 165, 5, 34, 0, 0, 161, 164, 3, 47, 23, 0, 162, 164, 3, 55,
+		27, 0, 163, 161, 1, 0, 0, 0, 163, 162, 1, 0, 0, 0, 164, 167, 1, 0, 0, 0,
+		165, 163, 1, 0, 0, 0, 165, 166, 1, 0, 0, 0, 166, 168, 1, 0, 0, 0, 167,
+		165, 1, 0, 0, 0, 168, 179, 5, 34, 0, 0, 169, 174, 5, 39, 0, 0, 170, 173,
+		3, 47, 23, 0, 171, 173, 3, 53, 26, 0, 172, 170, 1, 0, 0, 0, 172, 171, 1,
+		0, 0, 0, 173, 176, 1, 0, 0, 0, 174, 172, 1, 0, 0, 0, 174, 175, 1, 0, 0,
+		0, 175, 177, 1, 0, 0, 0, 176, 174, 1, 0, 0, 0, 177, 179, 5, 39, 0, 0, 178,
+		160, 1, 0, 0, 0, 178, 169, 1, 0, 0, 0, 179, 46, 1, 0, 0, 0, 180, 183, 5,
+		92, 0, 0, 181, 184, 7, 3, 0, 0, 182, 184, 3, 49, 24, 0, 183, 181, 1, 0,
+		0, 0, 183, 182, 1, 0, 0, 0, 184, 48, 1, 0, 0, 0, 185, 186, 5, 117, 0, 0,
+		186, 187, 3, 51, 25, 0, 187, 188, 3, 51, 25, 0, 188, 189, 3, 51, 25, 0,
+		189, 190, 3, 51, 25, 0, 190, 50, 1, 0, 0, 0, 191, 192, 7, 4, 0, 0, 192,
+		52, 1, 0, 0, 0, 193, 194, 8, 5, 0, 0, 194, 54, 1, 0, 0, 0, 195, 196, 8,
+		6, 0, 0, 196, 56, 1, 0, 0, 0, 197, 199, 7, 7, 0, 0, 198, 197, 1, 0, 0,
+		0, 199, 200, 1, 0, 0, 0, 200, 198, 1, 0, 0, 0, 200, 201, 1, 0, 0, 0, 201,
+		202, 1, 0, 0, 0, 202, 203, 6, 28, 0, 0, 203, 58, 1, 0, 0, 0, 12, 0, 82,
+		142, 144, 155, 163, 165, 172, 174, 178, 183, 200, 1, 6, 0, 0,
 	}
 	deserializer := antlr.NewATNDeserializer(nil)
 	staticData.atn = deserializer.Deserialize(staticData.serializedATN)
@@ -190,25 +192,26 @@ func NewQueryLexer(input antlr.CharStream) *QueryLexer {
 
 // QueryLexer tokens.
 const (
-	QueryLexerAND_OP          = 1
-	QueryLexerOR_OP           = 2
-	QueryLexerSIMPLE_OP       = 3
-	QueryLexerREP             = 4
-	QueryLexerIN              = 5
-	QueryLexerAS              = 6
-	QueryLexerCBF             = 7
-	QueryLexerSELECT          = 8
-	QueryLexerFROM            = 9
-	QueryLexerFILTER          = 10
-	QueryLexerWILDCARD        = 11
-	QueryLexerCLAUSE_SAME     = 12
-	QueryLexerCLAUSE_DISTINCT = 13
-	QueryLexerL_PAREN         = 14
-	QueryLexerR_PAREN         = 15
-	QueryLexerAT              = 16
-	QueryLexerIDENT           = 17
-	QueryLexerNUMBER1         = 18
-	QueryLexerZERO            = 19
-	QueryLexerSTRING          = 20
-	QueryLexerWS              = 21
+	QueryLexerNOT_OP          = 1
+	QueryLexerAND_OP          = 2
+	QueryLexerOR_OP           = 3
+	QueryLexerSIMPLE_OP       = 4
+	QueryLexerREP             = 5
+	QueryLexerIN              = 6
+	QueryLexerAS              = 7
+	QueryLexerCBF             = 8
+	QueryLexerSELECT          = 9
+	QueryLexerFROM            = 10
+	QueryLexerFILTER          = 11
+	QueryLexerWILDCARD        = 12
+	QueryLexerCLAUSE_SAME     = 13
+	QueryLexerCLAUSE_DISTINCT = 14
+	QueryLexerL_PAREN         = 15
+	QueryLexerR_PAREN         = 16
+	QueryLexerAT              = 17
+	QueryLexerIDENT           = 18
+	QueryLexerNUMBER1         = 19
+	QueryLexerZERO            = 20
+	QueryLexerSTRING          = 21
+	QueryLexerWS              = 22
 )
diff --git a/netmap/parser/query_parser.go b/netmap/parser/query_parser.go
index 08d40b8..9f6e74a 100644
--- a/netmap/parser/query_parser.go
+++ b/netmap/parser/query_parser.go
@@ -33,14 +33,14 @@ var queryParserStaticData struct {
 func queryParserInit() {
 	staticData := &queryParserStaticData
 	staticData.literalNames = []string{
-		"", "'AND'", "'OR'", "", "'REP'", "'IN'", "'AS'", "'CBF'", "'SELECT'",
-		"'FROM'", "'FILTER'", "'*'", "'SAME'", "'DISTINCT'", "'('", "')'", "'@'",
-		"", "", "'0'",
+		"", "'NOT'", "'AND'", "'OR'", "", "'REP'", "'IN'", "'AS'", "'CBF'",
+		"'SELECT'", "'FROM'", "'FILTER'", "'*'", "'SAME'", "'DISTINCT'", "'('",
+		"')'", "'@'", "", "", "'0'",
 	}
 	staticData.symbolicNames = []string{
-		"", "AND_OP", "OR_OP", "SIMPLE_OP", "REP", "IN", "AS", "CBF", "SELECT",
-		"FROM", "FILTER", "WILDCARD", "CLAUSE_SAME", "CLAUSE_DISTINCT", "L_PAREN",
-		"R_PAREN", "AT", "IDENT", "NUMBER1", "ZERO", "STRING", "WS",
+		"", "NOT_OP", "AND_OP", "OR_OP", "SIMPLE_OP", "REP", "IN", "AS", "CBF",
+		"SELECT", "FROM", "FILTER", "WILDCARD", "CLAUSE_SAME", "CLAUSE_DISTINCT",
+		"L_PAREN", "R_PAREN", "AT", "IDENT", "NUMBER1", "ZERO", "STRING", "WS",
 	}
 	staticData.ruleNames = []string{
 		"policy", "repStmt", "cbfStmt", "selectStmt", "clause", "filterExpr",
@@ -49,60 +49,62 @@ func queryParserInit() {
 	}
 	staticData.predictionContextCache = antlr.NewPredictionContextCache()
 	staticData.serializedATN = []int32{
-		4, 1, 21, 130, 2, 0, 7, 0, 2, 1, 7, 1, 2, 2, 7, 2, 2, 3, 7, 3, 2, 4, 7,
+		4, 1, 22, 135, 2, 0, 7, 0, 2, 1, 7, 1, 2, 2, 7, 2, 2, 3, 7, 3, 2, 4, 7,
 		4, 2, 5, 7, 5, 2, 6, 7, 6, 2, 7, 7, 7, 2, 8, 7, 8, 2, 9, 7, 9, 2, 10, 7,
 		10, 2, 11, 7, 11, 2, 12, 7, 12, 2, 13, 7, 13, 1, 0, 4, 0, 30, 8, 0, 11,
 		0, 12, 0, 31, 1, 0, 3, 0, 35, 8, 0, 1, 0, 5, 0, 38, 8, 0, 10, 0, 12, 0,
 		41, 9, 0, 1, 0, 5, 0, 44, 8, 0, 10, 0, 12, 0, 47, 9, 0, 1, 0, 1, 0, 1,
 		1, 1, 1, 1, 1, 1, 1, 3, 1, 55, 8, 1, 1, 2, 1, 2, 1, 2, 1, 3, 1, 3, 1, 3,
 		1, 3, 3, 3, 64, 8, 3, 1, 3, 3, 3, 67, 8, 3, 1, 3, 1, 3, 1, 3, 1, 3, 3,
-		3, 73, 8, 3, 1, 4, 1, 4, 1, 5, 1, 5, 1, 5, 1, 5, 1, 5, 1, 5, 3, 5, 83,
-		8, 5, 1, 5, 1, 5, 1, 5, 1, 5, 1, 5, 1, 5, 5, 5, 91, 8, 5, 10, 5, 12, 5,
-		94, 9, 5, 1, 6, 1, 6, 1, 6, 1, 6, 1, 6, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1,
-		7, 3, 7, 107, 8, 7, 1, 8, 1, 8, 3, 8, 111, 8, 8, 1, 9, 1, 9, 1, 9, 3, 9,
-		116, 8, 9, 1, 10, 1, 10, 1, 11, 1, 11, 1, 12, 1, 12, 3, 12, 124, 8, 12,
-		1, 13, 1, 13, 3, 13, 128, 8, 13, 1, 13, 0, 1, 10, 14, 0, 2, 4, 6, 8, 10,
-		12, 14, 16, 18, 20, 22, 24, 26, 0, 3, 1, 0, 12, 13, 1, 0, 18, 19, 2, 0,
-		4, 6, 8, 10, 132, 0, 29, 1, 0, 0, 0, 2, 50, 1, 0, 0, 0, 4, 56, 1, 0, 0,
-		0, 6, 59, 1, 0, 0, 0, 8, 74, 1, 0, 0, 0, 10, 82, 1, 0, 0, 0, 12, 95, 1,
-		0, 0, 0, 14, 106, 1, 0, 0, 0, 16, 110, 1, 0, 0, 0, 18, 115, 1, 0, 0, 0,
-		20, 117, 1, 0, 0, 0, 22, 119, 1, 0, 0, 0, 24, 123, 1, 0, 0, 0, 26, 127,
-		1, 0, 0, 0, 28, 30, 3, 2, 1, 0, 29, 28, 1, 0, 0, 0, 30, 31, 1, 0, 0, 0,
-		31, 29, 1, 0, 0, 0, 31, 32, 1, 0, 0, 0, 32, 34, 1, 0, 0, 0, 33, 35, 3,
-		4, 2, 0, 34, 33, 1, 0, 0, 0, 34, 35, 1, 0, 0, 0, 35, 39, 1, 0, 0, 0, 36,
-		38, 3, 6, 3, 0, 37, 36, 1, 0, 0, 0, 38, 41, 1, 0, 0, 0, 39, 37, 1, 0, 0,
-		0, 39, 40, 1, 0, 0, 0, 40, 45, 1, 0, 0, 0, 41, 39, 1, 0, 0, 0, 42, 44,
-		3, 12, 6, 0, 43, 42, 1, 0, 0, 0, 44, 47, 1, 0, 0, 0, 45, 43, 1, 0, 0, 0,
-		45, 46, 1, 0, 0, 0, 46, 48, 1, 0, 0, 0, 47, 45, 1, 0, 0, 0, 48, 49, 5,
-		0, 0, 1, 49, 1, 1, 0, 0, 0, 50, 51, 5, 4, 0, 0, 51, 54, 5, 18, 0, 0, 52,
-		53, 5, 5, 0, 0, 53, 55, 3, 24, 12, 0, 54, 52, 1, 0, 0, 0, 54, 55, 1, 0,
-		0, 0, 55, 3, 1, 0, 0, 0, 56, 57, 5, 7, 0, 0, 57, 58, 5, 18, 0, 0, 58, 5,
-		1, 0, 0, 0, 59, 60, 5, 8, 0, 0, 60, 66, 5, 18, 0, 0, 61, 63, 5, 5, 0, 0,
-		62, 64, 3, 8, 4, 0, 63, 62, 1, 0, 0, 0, 63, 64, 1, 0, 0, 0, 64, 65, 1,
-		0, 0, 0, 65, 67, 3, 24, 12, 0, 66, 61, 1, 0, 0, 0, 66, 67, 1, 0, 0, 0,
-		67, 68, 1, 0, 0, 0, 68, 69, 5, 9, 0, 0, 69, 72, 3, 26, 13, 0, 70, 71, 5,
-		6, 0, 0, 71, 73, 3, 24, 12, 0, 72, 70, 1, 0, 0, 0, 72, 73, 1, 0, 0, 0,
-		73, 7, 1, 0, 0, 0, 74, 75, 7, 0, 0, 0, 75, 9, 1, 0, 0, 0, 76, 77, 6, 5,
-		-1, 0, 77, 78, 5, 14, 0, 0, 78, 79, 3, 10, 5, 0, 79, 80, 5, 15, 0, 0, 80,
-		83, 1, 0, 0, 0, 81, 83, 3, 14, 7, 0, 82, 76, 1, 0, 0, 0, 82, 81, 1, 0,
-		0, 0, 83, 92, 1, 0, 0, 0, 84, 85, 10, 4, 0, 0, 85, 86, 5, 1, 0, 0, 86,
-		91, 3, 10, 5, 5, 87, 88, 10, 3, 0, 0, 88, 89, 5, 2, 0, 0, 89, 91, 3, 10,
-		5, 4, 90, 84, 1, 0, 0, 0, 90, 87, 1, 0, 0, 0, 91, 94, 1, 0, 0, 0, 92, 90,
-		1, 0, 0, 0, 92, 93, 1, 0, 0, 0, 93, 11, 1, 0, 0, 0, 94, 92, 1, 0, 0, 0,
-		95, 96, 5, 10, 0, 0, 96, 97, 3, 10, 5, 0, 97, 98, 5, 6, 0, 0, 98, 99, 3,
-		24, 12, 0, 99, 13, 1, 0, 0, 0, 100, 101, 5, 16, 0, 0, 101, 107, 3, 24,
-		12, 0, 102, 103, 3, 16, 8, 0, 103, 104, 5, 3, 0, 0, 104, 105, 3, 18, 9,
-		0, 105, 107, 1, 0, 0, 0, 106, 100, 1, 0, 0, 0, 106, 102, 1, 0, 0, 0, 107,
-		15, 1, 0, 0, 0, 108, 111, 3, 24, 12, 0, 109, 111, 5, 20, 0, 0, 110, 108,
-		1, 0, 0, 0, 110, 109, 1, 0, 0, 0, 111, 17, 1, 0, 0, 0, 112, 116, 3, 24,
-		12, 0, 113, 116, 3, 20, 10, 0, 114, 116, 5, 20, 0, 0, 115, 112, 1, 0, 0,
-		0, 115, 113, 1, 0, 0, 0, 115, 114, 1, 0, 0, 0, 116, 19, 1, 0, 0, 0, 117,
-		118, 7, 1, 0, 0, 118, 21, 1, 0, 0, 0, 119, 120, 7, 2, 0, 0, 120, 23, 1,
-		0, 0, 0, 121, 124, 3, 22, 11, 0, 122, 124, 5, 17, 0, 0, 123, 121, 1, 0,
-		0, 0, 123, 122, 1, 0, 0, 0, 124, 25, 1, 0, 0, 0, 125, 128, 3, 24, 12, 0,
-		126, 128, 5, 11, 0, 0, 127, 125, 1, 0, 0, 0, 127, 126, 1, 0, 0, 0, 128,
-		27, 1, 0, 0, 0, 16, 31, 34, 39, 45, 54, 63, 66, 72, 82, 90, 92, 106, 110,
-		115, 123, 127,
+		3, 73, 8, 3, 1, 4, 1, 4, 1, 5, 1, 5, 1, 5, 1, 5, 1, 5, 1, 5, 1, 5, 1, 5,
+		1, 5, 1, 5, 1, 5, 3, 5, 88, 8, 5, 1, 5, 1, 5, 1, 5, 1, 5, 1, 5, 1, 5, 5,
+		5, 96, 8, 5, 10, 5, 12, 5, 99, 9, 5, 1, 6, 1, 6, 1, 6, 1, 6, 1, 6, 1, 7,
+		1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 3, 7, 112, 8, 7, 1, 8, 1, 8, 3, 8, 116, 8,
+		8, 1, 9, 1, 9, 1, 9, 3, 9, 121, 8, 9, 1, 10, 1, 10, 1, 11, 1, 11, 1, 12,
+		1, 12, 3, 12, 129, 8, 12, 1, 13, 1, 13, 3, 13, 133, 8, 13, 1, 13, 0, 1,
+		10, 14, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 0, 3, 1, 0,
+		13, 14, 1, 0, 19, 20, 2, 0, 5, 7, 9, 11, 138, 0, 29, 1, 0, 0, 0, 2, 50,
+		1, 0, 0, 0, 4, 56, 1, 0, 0, 0, 6, 59, 1, 0, 0, 0, 8, 74, 1, 0, 0, 0, 10,
+		87, 1, 0, 0, 0, 12, 100, 1, 0, 0, 0, 14, 111, 1, 0, 0, 0, 16, 115, 1, 0,
+		0, 0, 18, 120, 1, 0, 0, 0, 20, 122, 1, 0, 0, 0, 22, 124, 1, 0, 0, 0, 24,
+		128, 1, 0, 0, 0, 26, 132, 1, 0, 0, 0, 28, 30, 3, 2, 1, 0, 29, 28, 1, 0,
+		0, 0, 30, 31, 1, 0, 0, 0, 31, 29, 1, 0, 0, 0, 31, 32, 1, 0, 0, 0, 32, 34,
+		1, 0, 0, 0, 33, 35, 3, 4, 2, 0, 34, 33, 1, 0, 0, 0, 34, 35, 1, 0, 0, 0,
+		35, 39, 1, 0, 0, 0, 36, 38, 3, 6, 3, 0, 37, 36, 1, 0, 0, 0, 38, 41, 1,
+		0, 0, 0, 39, 37, 1, 0, 0, 0, 39, 40, 1, 0, 0, 0, 40, 45, 1, 0, 0, 0, 41,
+		39, 1, 0, 0, 0, 42, 44, 3, 12, 6, 0, 43, 42, 1, 0, 0, 0, 44, 47, 1, 0,
+		0, 0, 45, 43, 1, 0, 0, 0, 45, 46, 1, 0, 0, 0, 46, 48, 1, 0, 0, 0, 47, 45,
+		1, 0, 0, 0, 48, 49, 5, 0, 0, 1, 49, 1, 1, 0, 0, 0, 50, 51, 5, 5, 0, 0,
+		51, 54, 5, 19, 0, 0, 52, 53, 5, 6, 0, 0, 53, 55, 3, 24, 12, 0, 54, 52,
+		1, 0, 0, 0, 54, 55, 1, 0, 0, 0, 55, 3, 1, 0, 0, 0, 56, 57, 5, 8, 0, 0,
+		57, 58, 5, 19, 0, 0, 58, 5, 1, 0, 0, 0, 59, 60, 5, 9, 0, 0, 60, 66, 5,
+		19, 0, 0, 61, 63, 5, 6, 0, 0, 62, 64, 3, 8, 4, 0, 63, 62, 1, 0, 0, 0, 63,
+		64, 1, 0, 0, 0, 64, 65, 1, 0, 0, 0, 65, 67, 3, 24, 12, 0, 66, 61, 1, 0,
+		0, 0, 66, 67, 1, 0, 0, 0, 67, 68, 1, 0, 0, 0, 68, 69, 5, 10, 0, 0, 69,
+		72, 3, 26, 13, 0, 70, 71, 5, 7, 0, 0, 71, 73, 3, 24, 12, 0, 72, 70, 1,
+		0, 0, 0, 72, 73, 1, 0, 0, 0, 73, 7, 1, 0, 0, 0, 74, 75, 7, 0, 0, 0, 75,
+		9, 1, 0, 0, 0, 76, 77, 6, 5, -1, 0, 77, 78, 5, 1, 0, 0, 78, 79, 5, 15,
+		0, 0, 79, 80, 3, 10, 5, 0, 80, 81, 5, 16, 0, 0, 81, 88, 1, 0, 0, 0, 82,
+		83, 5, 15, 0, 0, 83, 84, 3, 10, 5, 0, 84, 85, 5, 16, 0, 0, 85, 88, 1, 0,
+		0, 0, 86, 88, 3, 14, 7, 0, 87, 76, 1, 0, 0, 0, 87, 82, 1, 0, 0, 0, 87,
+		86, 1, 0, 0, 0, 88, 97, 1, 0, 0, 0, 89, 90, 10, 4, 0, 0, 90, 91, 5, 2,
+		0, 0, 91, 96, 3, 10, 5, 5, 92, 93, 10, 3, 0, 0, 93, 94, 5, 3, 0, 0, 94,
+		96, 3, 10, 5, 4, 95, 89, 1, 0, 0, 0, 95, 92, 1, 0, 0, 0, 96, 99, 1, 0,
+		0, 0, 97, 95, 1, 0, 0, 0, 97, 98, 1, 0, 0, 0, 98, 11, 1, 0, 0, 0, 99, 97,
+		1, 0, 0, 0, 100, 101, 5, 11, 0, 0, 101, 102, 3, 10, 5, 0, 102, 103, 5,
+		7, 0, 0, 103, 104, 3, 24, 12, 0, 104, 13, 1, 0, 0, 0, 105, 106, 5, 17,
+		0, 0, 106, 112, 3, 24, 12, 0, 107, 108, 3, 16, 8, 0, 108, 109, 5, 4, 0,
+		0, 109, 110, 3, 18, 9, 0, 110, 112, 1, 0, 0, 0, 111, 105, 1, 0, 0, 0, 111,
+		107, 1, 0, 0, 0, 112, 15, 1, 0, 0, 0, 113, 116, 3, 24, 12, 0, 114, 116,
+		5, 21, 0, 0, 115, 113, 1, 0, 0, 0, 115, 114, 1, 0, 0, 0, 116, 17, 1, 0,
+		0, 0, 117, 121, 3, 24, 12, 0, 118, 121, 3, 20, 10, 0, 119, 121, 5, 21,
+		0, 0, 120, 117, 1, 0, 0, 0, 120, 118, 1, 0, 0, 0, 120, 119, 1, 0, 0, 0,
+		121, 19, 1, 0, 0, 0, 122, 123, 7, 1, 0, 0, 123, 21, 1, 0, 0, 0, 124, 125,
+		7, 2, 0, 0, 125, 23, 1, 0, 0, 0, 126, 129, 3, 22, 11, 0, 127, 129, 5, 18,
+		0, 0, 128, 126, 1, 0, 0, 0, 128, 127, 1, 0, 0, 0, 129, 25, 1, 0, 0, 0,
+		130, 133, 3, 24, 12, 0, 131, 133, 5, 12, 0, 0, 132, 130, 1, 0, 0, 0, 132,
+		131, 1, 0, 0, 0, 133, 27, 1, 0, 0, 0, 16, 31, 34, 39, 45, 54, 63, 66, 72,
+		87, 95, 97, 111, 115, 120, 128, 132,
 	}
 	deserializer := antlr.NewATNDeserializer(nil)
 	staticData.atn = deserializer.Deserialize(staticData.serializedATN)
@@ -141,27 +143,28 @@ func NewQuery(input antlr.TokenStream) *Query {
 // Query tokens.
 const (
 	QueryEOF             = antlr.TokenEOF
-	QueryAND_OP          = 1
-	QueryOR_OP           = 2
-	QuerySIMPLE_OP       = 3
-	QueryREP             = 4
-	QueryIN              = 5
-	QueryAS              = 6
-	QueryCBF             = 7
-	QuerySELECT          = 8
-	QueryFROM            = 9
-	QueryFILTER          = 10
-	QueryWILDCARD        = 11
-	QueryCLAUSE_SAME     = 12
-	QueryCLAUSE_DISTINCT = 13
-	QueryL_PAREN         = 14
-	QueryR_PAREN         = 15
-	QueryAT              = 16
-	QueryIDENT           = 17
-	QueryNUMBER1         = 18
-	QueryZERO            = 19
-	QuerySTRING          = 20
-	QueryWS              = 21
+	QueryNOT_OP          = 1
+	QueryAND_OP          = 2
+	QueryOR_OP           = 3
+	QuerySIMPLE_OP       = 4
+	QueryREP             = 5
+	QueryIN              = 6
+	QueryAS              = 7
+	QueryCBF             = 8
+	QuerySELECT          = 9
+	QueryFROM            = 10
+	QueryFILTER          = 11
+	QueryWILDCARD        = 12
+	QueryCLAUSE_SAME     = 13
+	QueryCLAUSE_DISTINCT = 14
+	QueryL_PAREN         = 15
+	QueryR_PAREN         = 16
+	QueryAT              = 17
+	QueryIDENT           = 18
+	QueryNUMBER1         = 19
+	QueryZERO            = 20
+	QuerySTRING          = 21
+	QueryWS              = 22
 )
 
 // Query rules.
@@ -1209,6 +1212,7 @@ type IFilterExprContext interface {
 	// Getter signatures
 	L_PAREN() antlr.TerminalNode
 	R_PAREN() antlr.TerminalNode
+	NOT_OP() antlr.TerminalNode
 	AllFilterExpr() []IFilterExprContext
 	FilterExpr(i int) IFilterExprContext
 	Expr() IExprContext
@@ -1223,8 +1227,8 @@ type FilterExprContext struct {
 	*antlr.BaseParserRuleContext
 	parser antlr.Parser
 	F1     IFilterExprContext
-	Inner  IFilterExprContext
 	Op     antlr.Token
+	Inner  IFilterExprContext
 	F2     IFilterExprContext
 }
 
@@ -1274,6 +1278,10 @@ func (s *FilterExprContext) R_PAREN() antlr.TerminalNode {
 	return s.GetToken(QueryR_PAREN, 0)
 }
 
+func (s *FilterExprContext) NOT_OP() antlr.TerminalNode {
+	return s.GetToken(QueryNOT_OP, 0)
+}
+
 func (s *FilterExprContext) AllFilterExpr() []IFilterExprContext {
 	children := s.GetChildren()
 	len := 0
@@ -1392,30 +1400,54 @@ func (p *Query) filterExpr(_p int) (localctx IFilterExprContext) {
 	var _alt int
 
 	p.EnterOuterAlt(localctx, 1)
-	p.SetState(82)
+	p.SetState(87)
 	p.GetErrorHandler().Sync(p)
 
 	switch p.GetTokenStream().LA(1) {
-	case QueryL_PAREN:
+	case QueryNOT_OP:
 		{
 			p.SetState(77)
-			p.Match(QueryL_PAREN)
+
+			var _m = p.Match(QueryNOT_OP)
+
+			localctx.(*FilterExprContext).Op = _m
 		}
 		{
 			p.SetState(78)
+			p.Match(QueryL_PAREN)
+		}
+		{
+			p.SetState(79)
+
+			var _x = p.filterExpr(0)
+
+			localctx.(*FilterExprContext).F1 = _x
+		}
+		{
+			p.SetState(80)
+			p.Match(QueryR_PAREN)
+		}
+
+	case QueryL_PAREN:
+		{
+			p.SetState(82)
+			p.Match(QueryL_PAREN)
+		}
+		{
+			p.SetState(83)
 
 			var _x = p.filterExpr(0)
 
 			localctx.(*FilterExprContext).Inner = _x
 		}
 		{
-			p.SetState(79)
+			p.SetState(84)
 			p.Match(QueryR_PAREN)
 		}
 
 	case QueryREP, QueryIN, QueryAS, QuerySELECT, QueryFROM, QueryFILTER, QueryAT, QueryIDENT, QuerySTRING:
 		{
-			p.SetState(81)
+			p.SetState(86)
 			p.Expr()
 		}
 
@@ -1423,7 +1455,7 @@ func (p *Query) filterExpr(_p int) (localctx IFilterExprContext) {
 		panic(antlr.NewNoViableAltException(p, nil, nil, nil, nil, nil))
 	}
 	p.GetParserRuleContext().SetStop(p.GetTokenStream().LT(-1))
-	p.SetState(92)
+	p.SetState(97)
 	p.GetErrorHandler().Sync(p)
 	_alt = p.GetInterpreter().AdaptivePredict(p.GetTokenStream(), 10, p.GetParserRuleContext())
 
@@ -1433,27 +1465,27 @@ func (p *Query) filterExpr(_p int) (localctx IFilterExprContext) {
 				p.TriggerExitRuleEvent()
 			}
 			_prevctx = localctx
-			p.SetState(90)
+			p.SetState(95)
 			p.GetErrorHandler().Sync(p)
 			switch p.GetInterpreter().AdaptivePredict(p.GetTokenStream(), 9, p.GetParserRuleContext()) {
 			case 1:
 				localctx = NewFilterExprContext(p, _parentctx, _parentState)
 				localctx.(*FilterExprContext).F1 = _prevctx
 				p.PushNewRecursionContext(localctx, _startState, QueryRULE_filterExpr)
-				p.SetState(84)
+				p.SetState(89)
 
 				if !(p.Precpred(p.GetParserRuleContext(), 4)) {
 					panic(antlr.NewFailedPredicateException(p, "p.Precpred(p.GetParserRuleContext(), 4)", ""))
 				}
 				{
-					p.SetState(85)
+					p.SetState(90)
 
 					var _m = p.Match(QueryAND_OP)
 
 					localctx.(*FilterExprContext).Op = _m
 				}
 				{
-					p.SetState(86)
+					p.SetState(91)
 
 					var _x = p.filterExpr(5)
 
@@ -1464,20 +1496,20 @@ func (p *Query) filterExpr(_p int) (localctx IFilterExprContext) {
 				localctx = NewFilterExprContext(p, _parentctx, _parentState)
 				localctx.(*FilterExprContext).F1 = _prevctx
 				p.PushNewRecursionContext(localctx, _startState, QueryRULE_filterExpr)
-				p.SetState(87)
+				p.SetState(92)
 
 				if !(p.Precpred(p.GetParserRuleContext(), 3)) {
 					panic(antlr.NewFailedPredicateException(p, "p.Precpred(p.GetParserRuleContext(), 3)", ""))
 				}
 				{
-					p.SetState(88)
+					p.SetState(93)
 
 					var _m = p.Match(QueryOR_OP)
 
 					localctx.(*FilterExprContext).Op = _m
 				}
 				{
-					p.SetState(89)
+					p.SetState(94)
 
 					var _x = p.filterExpr(4)
 
@@ -1487,7 +1519,7 @@ func (p *Query) filterExpr(_p int) (localctx IFilterExprContext) {
 			}
 
 		}
-		p.SetState(94)
+		p.SetState(99)
 		p.GetErrorHandler().Sync(p)
 		_alt = p.GetInterpreter().AdaptivePredict(p.GetTokenStream(), 10, p.GetParserRuleContext())
 	}
@@ -1644,22 +1676,22 @@ func (p *Query) FilterStmt() (localctx IFilterStmtContext) {
 
 	p.EnterOuterAlt(localctx, 1)
 	{
-		p.SetState(95)
+		p.SetState(100)
 		p.Match(QueryFILTER)
 	}
 	{
-		p.SetState(96)
+		p.SetState(101)
 
 		var _x = p.filterExpr(0)
 
 		localctx.(*FilterStmtContext).Expr = _x
 	}
 	{
-		p.SetState(97)
+		p.SetState(102)
 		p.Match(QueryAS)
 	}
 	{
-		p.SetState(98)
+		p.SetState(103)
 
 		var _x = p.Ident()
 
@@ -1844,18 +1876,18 @@ func (p *Query) Expr() (localctx IExprContext) {
 		}
 	}()
 
-	p.SetState(106)
+	p.SetState(111)
 	p.GetErrorHandler().Sync(p)
 
 	switch p.GetTokenStream().LA(1) {
 	case QueryAT:
 		p.EnterOuterAlt(localctx, 1)
 		{
-			p.SetState(100)
+			p.SetState(105)
 			p.Match(QueryAT)
 		}
 		{
-			p.SetState(101)
+			p.SetState(106)
 
 			var _x = p.Ident()
 
@@ -1865,18 +1897,18 @@ func (p *Query) Expr() (localctx IExprContext) {
 	case QueryREP, QueryIN, QueryAS, QuerySELECT, QueryFROM, QueryFILTER, QueryIDENT, QuerySTRING:
 		p.EnterOuterAlt(localctx, 2)
 		{
-			p.SetState(102)
+			p.SetState(107)
 
 			var _x = p.FilterKey()
 
 			localctx.(*ExprContext).Key = _x
 		}
 		{
-			p.SetState(103)
+			p.SetState(108)
 			p.Match(QuerySIMPLE_OP)
 		}
 		{
-			p.SetState(104)
+			p.SetState(109)
 
 			var _x = p.FilterValue()
 
@@ -1993,21 +2025,21 @@ func (p *Query) FilterKey() (localctx IFilterKeyContext) {
 		}
 	}()
 
-	p.SetState(110)
+	p.SetState(115)
 	p.GetErrorHandler().Sync(p)
 
 	switch p.GetTokenStream().LA(1) {
 	case QueryREP, QueryIN, QueryAS, QuerySELECT, QueryFROM, QueryFILTER, QueryIDENT:
 		p.EnterOuterAlt(localctx, 1)
 		{
-			p.SetState(108)
+			p.SetState(113)
 			p.Ident()
 		}
 
 	case QuerySTRING:
 		p.EnterOuterAlt(localctx, 2)
 		{
-			p.SetState(109)
+			p.SetState(114)
 			p.Match(QuerySTRING)
 		}
 
@@ -2138,28 +2170,28 @@ func (p *Query) FilterValue() (localctx IFilterValueContext) {
 		}
 	}()
 
-	p.SetState(115)
+	p.SetState(120)
 	p.GetErrorHandler().Sync(p)
 
 	switch p.GetTokenStream().LA(1) {
 	case QueryREP, QueryIN, QueryAS, QuerySELECT, QueryFROM, QueryFILTER, QueryIDENT:
 		p.EnterOuterAlt(localctx, 1)
 		{
-			p.SetState(112)
+			p.SetState(117)
 			p.Ident()
 		}
 
 	case QueryNUMBER1, QueryZERO:
 		p.EnterOuterAlt(localctx, 2)
 		{
-			p.SetState(113)
+			p.SetState(118)
 			p.Number()
 		}
 
 	case QuerySTRING:
 		p.EnterOuterAlt(localctx, 3)
 		{
-			p.SetState(114)
+			p.SetState(119)
 			p.Match(QuerySTRING)
 		}
 
@@ -2264,7 +2296,7 @@ func (p *Query) Number() (localctx INumberContext) {
 
 	p.EnterOuterAlt(localctx, 1)
 	{
-		p.SetState(117)
+		p.SetState(122)
 		_la = p.GetTokenStream().LA(1)
 
 		if !(_la == QueryNUMBER1 || _la == QueryZERO) {
@@ -2392,10 +2424,10 @@ func (p *Query) Keyword() (localctx IKeywordContext) {
 
 	p.EnterOuterAlt(localctx, 1)
 	{
-		p.SetState(119)
+		p.SetState(124)
 		_la = p.GetTokenStream().LA(1)
 
-		if !((int64(_la) & ^0x3f) == 0 && ((int64(1)<<_la)&1904) != 0) {
+		if !((int64(_la) & ^0x3f) == 0 && ((int64(1)<<_la)&3808) != 0) {
 			p.GetErrorHandler().RecoverInline(p)
 		} else {
 			p.GetErrorHandler().ReportMatch(p)
@@ -2509,21 +2541,21 @@ func (p *Query) Ident() (localctx IIdentContext) {
 		}
 	}()
 
-	p.SetState(123)
+	p.SetState(128)
 	p.GetErrorHandler().Sync(p)
 
 	switch p.GetTokenStream().LA(1) {
 	case QueryREP, QueryIN, QueryAS, QuerySELECT, QueryFROM, QueryFILTER:
 		p.EnterOuterAlt(localctx, 1)
 		{
-			p.SetState(121)
+			p.SetState(126)
 			p.Keyword()
 		}
 
 	case QueryIDENT:
 		p.EnterOuterAlt(localctx, 2)
 		{
-			p.SetState(122)
+			p.SetState(127)
 			p.Match(QueryIDENT)
 		}
 
@@ -2637,21 +2669,21 @@ func (p *Query) IdentWC() (localctx IIdentWCContext) {
 		}
 	}()
 
-	p.SetState(127)
+	p.SetState(132)
 	p.GetErrorHandler().Sync(p)
 
 	switch p.GetTokenStream().LA(1) {
 	case QueryREP, QueryIN, QueryAS, QuerySELECT, QueryFROM, QueryFILTER, QueryIDENT:
 		p.EnterOuterAlt(localctx, 1)
 		{
-			p.SetState(125)
+			p.SetState(130)
 			p.Ident()
 		}
 
 	case QueryWILDCARD:
 		p.EnterOuterAlt(localctx, 2)
 		{
-			p.SetState(126)
+			p.SetState(131)
 			p.Match(QueryWILDCARD)
 		}
 
diff --git a/netmap/policy.go b/netmap/policy.go
index b2dd766..5a29a1d 100644
--- a/netmap/policy.go
+++ b/netmap/policy.go
@@ -464,18 +464,33 @@ func writeFilterStringTo(w io.StringWriter, f netmap.Filter) error {
 	}
 
 	inner := f.GetFilters()
-	for i := range inner {
-		if i != 0 {
-			_, err = w.WriteString(" " + op.String() + " ")
+
+	if op == netmap.NOT {
+		_, err = w.WriteString(op.String() + " (")
+		if err != nil {
+			return err
+		}
+		err = writeFilterStringTo(w, inner[0])
+		if err != nil {
+			return err
+		}
+		_, err = w.WriteString(")")
+		if err != nil {
+			return err
+		}
+	} else {
+		for i := range inner {
+			if i != 0 {
+				_, err = w.WriteString(" " + op.String() + " ")
+				if err != nil {
+					return err
+				}
+			}
+			err = writeFilterStringTo(w, inner[i])
 			if err != nil {
 				return err
 			}
 		}
-
-		err = writeFilterStringTo(w, inner[i])
-		if err != nil {
-			return err
-		}
 	}
 
 	if s = f.GetName(); s != "" && !unspecified {
@@ -671,6 +686,12 @@ func (p *policyVisitor) VisitFilterExpr(ctx *parser.FilterExprContext) any {
 	op := operationFromString(ctx.GetOp().GetText())
 	f.SetOp(op)
 
+	if op == netmap.NOT {
+		f1 := *ctx.GetF1().Accept(p).(*netmap.Filter)
+		f.SetFilters([]netmap.Filter{f1})
+		return f
+	}
+
 	f1 := *ctx.GetF1().Accept(p).(*netmap.Filter)
 	f2 := *ctx.GetF2().Accept(p).(*netmap.Filter)
 
diff --git a/netmap/policy_test.go b/netmap/policy_test.go
index b184cb2..f0a7bc5 100644
--- a/netmap/policy_test.go
+++ b/netmap/policy_test.go
@@ -23,6 +23,10 @@ FILTER @FromRU AND Rating GT 7 AS Good`,
 		`REP 7 IN SPB
 SELECT 1 IN City FROM SPBSSD AS SPB
 FILTER City EQ SPB AND SSD EQ true OR City EQ SPB AND Rating GE 5 AS SPBSSD`,
+
+		`REP 7 IN SPB
+SELECT 1 IN City FROM SPBSSD AS SPB
+FILTER NOT (NOT (City EQ SPB) AND SSD EQ true OR City EQ SPB AND Rating GE 5) AS SPBSSD`,
 	}
 
 	var p PlacementPolicy
diff --git a/netmap/selector_test.go b/netmap/selector_test.go
index aa415be..3147051 100644
--- a/netmap/selector_test.go
+++ b/netmap/selector_test.go
@@ -194,25 +194,26 @@ func TestPlacementPolicy_DeterministicOrder(t *testing.T) {
 	}
 }
 
-func TestPlacementPolicy_ProcessSelectors(t *testing.T) {
-	p := newPlacementPolicy(2, nil,
+func TestPlacementPolicy_ProcessSelectorsExceptNodes(t *testing.T) {
+	p := newPlacementPolicy(1, nil,
 		[]Selector{
-			newSelector("SameRU", "City", 2, "FromRU", (*Selector).SelectSame),
-			newSelector("DistinctRU", "City", 2, "FromRU", (*Selector).SelectDistinct),
-			newSelector("Good", "Country", 2, "Good", (*Selector).SelectDistinct),
-			newSelector("Main", "Country", 3, "*", (*Selector).SelectDistinct),
+			newSelector("ExceptRU", "City", 2, "ExceptRU", (*Selector).SelectSame),
 		},
 		[]Filter{
-			newFilter("FromRU", "Country", "Russia", netmap.EQ),
-			newFilter("Good", "Rating", "4", netmap.GE),
+			newFilter("ExceptRU", "", "", netmap.NOT,
+				newFilter("", "", "", netmap.AND,
+					newFilter("", "City", "Lyon", netmap.EQ),
+					newFilter("", "Rating", "10", netmap.LE),
+				),
+			),
 		})
 	nodes := []NodeInfo{
-		nodeInfoFromAttributes("Country", "Russia", "Rating", "1", "City", "SPB"),
+		nodeInfoFromAttributes("Country", "Germany", "Rating", "1", "City", "Berlin"),
 		nodeInfoFromAttributes("Country", "Germany", "Rating", "5", "City", "Berlin"),
 		nodeInfoFromAttributes("Country", "Russia", "Rating", "6", "City", "Moscow"),
 		nodeInfoFromAttributes("Country", "France", "Rating", "4", "City", "Paris"),
 		nodeInfoFromAttributes("Country", "France", "Rating", "1", "City", "Lyon"),
-		nodeInfoFromAttributes("Country", "Russia", "Rating", "5", "City", "SPB"),
+		nodeInfoFromAttributes("Country", "France", "Rating", "5", "City", "Lyon"),
 		nodeInfoFromAttributes("Country", "Russia", "Rating", "7", "City", "Moscow"),
 		nodeInfoFromAttributes("Country", "Germany", "Rating", "3", "City", "Darmstadt"),
 		nodeInfoFromAttributes("Country", "Germany", "Rating", "7", "City", "Frankfurt"),