Identify Phrase Query Within

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Like the match query, the match_phrase query firstyzes the query string to produce a list of terms. It then searches for all the terms, but keeps only do.ents that contain all of the search terms, in the same positions relative to each other. A query for the phrase quick fox would not match any of our do.ents, because .Thus an index built for vectore retrieval cannot, in general, be used for phrase queries. Moreover, there is no way of demanding a vectore score for a phrase query -- we only know the relative weights of each term in a do.ent. On the query german shepherd, we could use vectore retrieval to identify .Phrases identified in natural language queries are used to build structured queries for a probabilistic retrieval model. Our results show that using phrases in this way can improve performance, and that phrases that are auto- mati.y extracted from a natural language query per- form nearly as well as manually selected.. - I would investigate these parameters -- pf, pf2, and pf3. pf -- phrase fields. This will let you boost the do.ents that have your q values in close proximity. pf2 and pf3 -- chops the input into bigrams or trigrams . There are also slop settings to give some leeway in matching..

In this paper, we propose a common phrase index as an efficient index structure to support phrase queries in a very large text database. Our structure is an extension .Characterizing and Predicting Voice Query Reformulation Ahmed H.an Awadallah, Ranjitha Gurunath Kulkarni, Umut Ozertem and Rosie Jones Microsoft Redmond, WA USA.Overview. FTS3 and FTS4 are SQLite virtual table modules that allows users to perform full-text searches on a set of do.ents. The most common and effective way to .The point of offering these many examples of Graphical Search Engine queries is not that you were probably lo.ng for a search just like these, but rather that you .

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