third_codes/jieba
1
0
Fork 0
mirror of https://github.com/fxsjy/jieba.git synced 2025-07-10 00:01:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

add new method: cut_for_search(sentence), which can get better recall rate for search engine's reverse index

Browse Source
This commit is contained in:
Sun Junyi 2012-11-27 13:37:40 +08:00
parent d421fe5e7e
commit 5ce72e76b1
1 changed files with 15 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
jieba/__init__.py
View File

@ -157,6 +157,21 @@ def cut(sentence,cut_all=False):
if x!="":
yield x
def cut_for_search(sentence):
words = cut(sentence)
for w in words:
if len(w)>2:
for i in xrange(len(w)-1):
gram2 = w[i:i+2]
if gram2 in FREQ:
yield gram2
if len(w)>3:
for i in xrange(len(w)-2):
gram3 = w[i:i+3]
if gram3 in FREQ:
yield gram3
yield w
def load_userdict(f):
global trie,total,FREQ
if isinstance(f, (str, unicode)):