Query expansion method and system
A technology for expanding query and query words, which is applied in the field of expanding query methods and systems, and can solve problems such as occupying the system, excessive resources, and increasing retrieval times.
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Embodiment 1
[0114] refer to figure 1 with figure 2 , showing Embodiment 1 of an extended query method of the present application, including the following steps:
[0115] Step 101, acquire the query word input by the user.
[0116] Step 102, determining a normalized query term of the query term according to the query term.
[0117] Step 103, using the normalized query term as an expansion term of the query term to perform an expanded query.
[0118] Wherein, step 102 specifically includes the following steps:
[0119] Step 1021, obtain the session information in the user search log.
[0120] Session information is information that describes a series of behaviors of a user on a website within a continuous period of time (usually as short as a few minutes, as long as several hours). During the process from the beginning of browsing the website page to the exit of browsing, the website server will automatically assign a session ID to the user and record the user behavior during this per...
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