Online search through the diversified search systems.
نویسندگان
چکیده
منابع مشابه
The Unreusability of Diversified Search Test Collections
Traditional “ad hoc” test collections, typically built based on depth100 pools, are often used a posteriori by non-contributors, i.e., research groups that did not contribute the pools. The Leave One Out (LOO) test is useful for testing whether the test collections are actually reusable: that is, whether the non-contributors can be evaluated fairly relative to the contributors’ official perform...
متن کاملApproximation Algorithms for Diversified Search Ranking
In many search query applications, users tend to look at only the top part of the ranked result list in order to find relevant documents. Also, a fundamental issue in Web search is ranking search results based on user logs, since different users may have different preferences and intents with regards to a search query. The setting we consider contains various types of users, each of which is in...
متن کاملBROAD: Diversified Keyword Search in Databases
Keyword search in databases has received a lot of attention in the database community as it is an effective approach for querying a database without knowing its underlying schema. However, keyword search queries often return too many results. One standard solution is to rank results such that the “best” results appear first. Still, this approach can suffer from redundancy problem where many hig...
متن کاملA Pruning Strategy for Optimal Diversified Search
Recommended poster submission from research track, original submission number 111. Given a number of possible sub-intents (also called subtopics) for a certain query and their corresponding search results, diversified search aims to return a single result list that could satisfy as many users' intents as possible. Previous studies have demonstrated that finding the optimal solution for diversif...
متن کاملDiversified Spatial Keyword Search On Road Networks
With the increasing pervasiveness of the geo-positioning technologies, there is an enormous amount of spatio-textual objects available in many applications such as location based services and social networks. Consequently, various types of spatial keyword searches which explore both locations and textual descriptions of the objects have been intensively studied by the research communities and c...
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ژورنال
عنوان ژورنال: Journal of Information Processing and Management
سال: 1990
ISSN: 0021-7298,1347-1597
DOI: 10.1241/johokanri.33.435