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myuka |
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SET NAMES utf8; |
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DROP TABLE IF EXISTS t1; |
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CREATE TABLE t1 (c1 INT PRIMARY KEY, c2 VARCHAR(20), c3 TEXT) DEFAULT CHARSET utf8; |
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ALTER TABLE t1 ADD FULLTEXT INDEX ft USING NGRAM, SECTIONALIZE (c2,c3); |
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SHOW SENNA STATUS; |
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Table Key_name Column_name Encoding Index_type Sectionalize Normalize Split_alpha Split_digit Split_symbol Initial_n_segments Senna_keys_size Senna_keys_file_size Senna_lexicon_size Senna_lexicon_file_size Senna_inv_seg_size Senna_inv_chunk_size |
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t1 ft c2 utf8 NGRAM ON ON OFF OFF OFF 512 0 4268032 0 4268032 167936 135168 |
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t1 ft c3 utf8 NGRAM ON ON OFF OFF OFF 512 0 4268032 0 4268032 167936 135168 |
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INSERT INTO t1 VALUES(1, "c2あたりc2", "c3あたりc3"); |
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INSERT INTO t1 VALUES(2, "c2あたりc2", "c3はずれc3"); |
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INSERT INTO t1 VALUES(3, "c2はずれc2", "c3あたりc3"); |
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INSERT INTO t1 VALUES(4, "c2はずれc2", "c3はずれc3"); |
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SELECT * FROM t1; |
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c1 c2 c3 |
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1 c2あたりc2 c3あたりc3 |
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2 c2あたりc2 c3はずれc3 |
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3 c2はずれc2 c3あたりc3 |
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4 c2はずれc2 c3はずれc3 |
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SELECT *, MATCH(c2,c3) AGAINST("あたり") AS score FROM t1 |
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WHERE MATCH(c2,c3) AGAINST("あたり") ORDER BY score DESC; |
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c1 c2 c3 score |
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1 c2あたりc2 c3あたりc3 2 |
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2 c2あたりc2 c3はずれc3 1 |
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3 c2はずれc2 c3あたりc3 1 |
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SELECT *, MATCH(c2,c3) AGAINST("あたり" IN BOOLEAN MODE) AS score FROM t1 |
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WHERE MATCH(c2,c3) AGAINST("あたり" IN BOOLEAN MODE) ORDER BY score DESC; |
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c1 c2 c3 score |
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1 c2あたりc2 c3あたりc3 10 |
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2 c2あたりc2 c3はずれc3 5 |
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3 c2はずれc2 c3あたりc3 5 |
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SELECT *, MATCH(c2,c3) AGAINST("*W1 あたり" IN BOOLEAN MODE) AS score FROM t1 |
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WHERE MATCH(c2,c3) AGAINST("*W1 あたり" IN BOOLEAN MODE); |
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c1 c2 c3 score |
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1 c2あたりc2 c3あたりc3 1 |
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2 c2あたりc2 c3はずれc3 1 |
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SELECT *, MATCH(c2,c3) AGAINST("*W2 あたり" IN BOOLEAN MODE) AS score FROM t1 |
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WHERE MATCH(c2,c3) AGAINST("*W2 あたり" IN BOOLEAN MODE); |
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c1 c2 c3 score |
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1 c2あたりc2 c3あたりc3 1 |
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3 c2はずれc2 c3あたりc3 1 |
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SELECT *, MATCH(c2,c3) AGAINST("*W1,2 あたり" IN BOOLEAN MODE) AS score FROM t1 |
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WHERE MATCH(c2,c3) AGAINST("*W1,2 あたり" IN BOOLEAN MODE); |
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c1 c2 c3 score |
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1 c2あたりc2 c3あたりc3 2 |
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myuka |
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3 c2はずれc2 c3あたりc3 1 |
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myuka |
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2 c2あたりc2 c3はずれc3 1 |
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SELECT *, MATCH(c2,c3) AGAINST("*W3 あたり" IN BOOLEAN MODE) AS score FROM t1 |
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WHERE MATCH(c2,c3) AGAINST("*W3 あたり" IN BOOLEAN MODE); |
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c1 c2 c3 score |
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SELECT *, MATCH(c2,c3) AGAINST("*W1:10,2:1 あたり" IN BOOLEAN MODE) AS score FROM t1 |
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WHERE MATCH(c2,c3) AGAINST("*W1:10,2:1 あたり" IN BOOLEAN MODE); |
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c1 c2 c3 score |
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1 c2あたりc2 c3あたりc3 11 |
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2 c2あたりc2 c3はずれc3 10 |
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3 c2はずれc2 c3あたりc3 1 |
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DELETE FROM t1 WHERE c1 = 2; |
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SELECT * FROM t1; |
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c1 c2 c3 |
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1 c2あたりc2 c3あたりc3 |
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3 c2はずれc2 c3あたりc3 |
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4 c2はずれc2 c3はずれc3 |
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SELECT *, MATCH(c2,c3) AGAINST("あたり" IN BOOLEAN MODE) AS score FROM t1 |
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WHERE MATCH(c2,c3) AGAINST("あたり" IN BOOLEAN MODE); |
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c1 c2 c3 score |
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1 c2あたりc2 c3あたりc3 10 |
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3 c2はずれc2 c3あたりc3 5 |
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DELETE FROM t1 WHERE c1 = 4; |
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SELECT * FROM t1; |
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c1 c2 c3 |
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1 c2あたりc2 c3あたりc3 |
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3 c2はずれc2 c3あたりc3 |
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DELETE FROM t1; |
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SELECT * FROM t1; |
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c1 c2 c3 |
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DROP INDEX ft ON t1; |
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SHOW SENNA STATUS; |
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Table Key_name Column_name Encoding Index_type Sectionalize Normalize Split_alpha Split_digit Split_symbol Initial_n_segments Senna_keys_size Senna_keys_file_size Senna_lexicon_size Senna_lexicon_file_size Senna_inv_seg_size Senna_inv_chunk_size |
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DROP TABLE t1; |
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DROP TABLE IF EXISTS t1; |
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Warnings: |
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Note 1051 Unknown table 't1' |
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CREATE TABLE t1 (c1 INT PRIMARY KEY, c2 VARCHAR(20), c3 INT, c4 TEXT) DEFAULT CHARSET utf8; |
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ALTER TABLE t1 ADD FULLTEXT INDEX ft USING NGRAM, SECTIONALIZE (c2,c4); |
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SHOW SENNA STATUS; |
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Table Key_name Column_name Encoding Index_type Sectionalize Normalize Split_alpha Split_digit Split_symbol Initial_n_segments Senna_keys_size Senna_keys_file_size Senna_lexicon_size Senna_lexicon_file_size Senna_inv_seg_size Senna_inv_chunk_size |
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t1 ft c2 utf8 NGRAM ON ON OFF OFF OFF 512 0 4268032 0 4268032 167936 135168 |
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t1 ft c4 utf8 NGRAM ON ON OFF OFF OFF 512 0 4268032 0 4268032 167936 135168 |
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INSERT INTO t1 VALUES(1, "c2あたりc2", 100, "c4あたりc4"); |
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INSERT INTO t1 VALUES(2, "c2あたりc2", 200, "c4はずれc4"); |
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INSERT INTO t1 VALUES(3, "c2はずれc2", 300, "c4あたりc4"); |
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INSERT INTO t1 VALUES(4, "c2はずれc2", 400, "c4はずれc4"); |
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SELECT *, MATCH(c2,c4) AGAINST("*W1:10,2:1 あたり" IN BOOLEAN MODE) AS score FROM t1 |
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WHERE MATCH(c2,c4) AGAINST("*W1:10,2:1 あたり" IN BOOLEAN MODE); |
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c1 c2 c3 c4 score |
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1 c2あたりc2 100 c4あたりc4 11 |
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2 c2あたりc2 200 c4はずれc4 10 |
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3 c2はずれc2 300 c4あたりc4 1 |
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DELETE FROM t1 WHERE c1 = 2; |
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SELECT * FROM t1; |
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c1 c2 c3 c4 |
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1 c2あたりc2 100 c4あたりc4 |
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3 c2はずれc2 300 c4あたりc4 |
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4 c2はずれc2 400 c4はずれc4 |
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SELECT *, MATCH(c2,c4) AGAINST("*W1:10,2:1 あたり" IN BOOLEAN MODE) AS score FROM t1 |
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WHERE MATCH(c2,c4) AGAINST("*W1:10,2:1 あたり" IN BOOLEAN MODE); |
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c1 c2 c3 c4 score |
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1 c2あたりc2 100 c4あたりc4 11 |
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3 c2はずれc2 300 c4あたりc4 1 |
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INSERT INTO t1 VALUES(2, "c2あたりc2", 200, "c4はずれc4"); |
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ALTER TABLE t1 ADD c2a INT AFTER c2; |
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UPDATE t1 SET c2a = 10; |
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SELECT *, MATCH(c2,c4) AGAINST("*W1:10,2:1 あたり" IN BOOLEAN MODE) AS score FROM t1 |
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WHERE MATCH(c2,c4) AGAINST("*W1:10,2:1 あたり" IN BOOLEAN MODE); |
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c1 c2 c2a c3 c4 score |
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1 c2あたりc2 10 100 c4あたりc4 11 |
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2 c2あたりc2 10 200 c4はずれc4 10 |
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3 c2はずれc2 10 300 c4あたりc4 1 |
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DELETE FROM t1 WHERE c1 = 2; |
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SELECT * FROM t1; |
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c1 c2 c2a c3 c4 |
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1 c2あたりc2 10 100 c4あたりc4 |
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3 c2はずれc2 10 300 c4あたりc4 |
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4 c2はずれc2 10 400 c4はずれc4 |
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SELECT *, MATCH(c2,c4) AGAINST("*W1:10,2:1 あたり" IN BOOLEAN MODE) AS score FROM t1 |
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WHERE MATCH(c2,c4) AGAINST("*W1:10,2:1 あたり" IN BOOLEAN MODE); |
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c1 c2 c2a c3 c4 score |
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1 c2あたりc2 10 100 c4あたりc4 11 |
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3 c2はずれc2 10 300 c4あたりc4 1 |
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SHOW SENNA STATUS; |
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Table Key_name Column_name Encoding Index_type Sectionalize Normalize Split_alpha Split_digit Split_symbol Initial_n_segments Senna_keys_size Senna_keys_file_size Senna_lexicon_size Senna_lexicon_file_size Senna_inv_seg_size Senna_inv_chunk_size |
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t1 ft c2 utf8 NGRAM ON ON OFF OFF OFF 512 4 8462336 9 8462336 2789376 135168 |
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t1 ft c4 utf8 NGRAM ON ON OFF OFF OFF 512 4 8462336 9 8462336 2789376 135168 |
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DELETE FROM t1; |
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SHOW SENNA STATUS; |
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Table Key_name Column_name Encoding Index_type Sectionalize Normalize Split_alpha Split_digit Split_symbol Initial_n_segments Senna_keys_size Senna_keys_file_size Senna_lexicon_size Senna_lexicon_file_size Senna_inv_seg_size Senna_inv_chunk_size |
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t1 ft c2 utf8 NGRAM ON ON OFF OFF OFF 512 0 4268032 0 4268032 167936 135168 |
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t1 ft c4 utf8 NGRAM ON ON OFF OFF OFF 512 0 4268032 0 4268032 167936 135168 |
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DROP TABLE t1; |
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SHOW SENNA STATUS; |
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Table Key_name Column_name Encoding Index_type Sectionalize Normalize Split_alpha Split_digit Split_symbol Initial_n_segments Senna_keys_size Senna_keys_file_size Senna_lexicon_size Senna_lexicon_file_size Senna_inv_seg_size Senna_inv_chunk_size |