Report:TotalPatent/Viewing Results/Weighting and Ranking Features
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Weighting and Ranking Features
Documents within a result set may be sorted in a number of different ways, using a drop-down menu in the upper-right hand corner of the result list. The options for sorting a result set in TotalPatent are:
Especially notable here is the ability to sort by relevancy, a potentially valuable feature many competing products do not possess. At this time, it is not completely known how relevancy is calculated. Presumably, the count of hit terms plays a role in this computation; the count of forward and backward citations on each document could also possibly be a criteria for rank.
According to TotalPatent representatives, although a relevancy score is not shown in results lists, the system does rank search results based on statistical information, including the number of documents in the database, the frequency in which the search terms appear in the database, and the frequency in which the search term appears in the document. The relevance of a returned search items is determined based on its score compared with other scores in the result set, where items with higher scores are deemed to be more relevant to the search.
- ↑ Correspondence with LexisNexis representative via E-mail. Received July 11, 2012.