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Abstract—Web objects, often associated with descriptive text documents, are increasingly being geo-tagged. A spatial keyword top-k query retrieves the best ...
In this setting, users may wonder why some known object is unexpectedly missing from a result; and understanding why may aid users in retrieving better results.
Abstract—Large volumes of geo-tagged text objects are avail- able on the web. Spatial keyword top-k queries retrieve k such.
Apr 6, 2021 · This paper explores how to answer the why-not questions on top-k spatial keyword queries over moving objects (Top-k WSKM queries). A novel index ...
Jul 8, 2021 · In this section, we first define some related concepts, and then formalize the Top- k Augmented Spatial Keyword Queries (T k ASKQ) and the why- ...
A spatial keyword top-k query retrieves the best k such objects according to a scoring function that considers both spatial distance and textual similarity.
1 exemplifies the why-not spatial keyword query. Here(a) shows the spatial locations of the query and objects, and(b) lists the 1 − SDist(o, q) and T Sim(o, q) ...
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While spatial keyword querying has been studied intensively, no proposals exist for how to offer users explanations of why such expected objects are missing ...
ABSTRACT. With the proliferation of the mobile use of the web, spatial key- word query (SKQ) services are gaining in importance. However,.
Apr 11, 2021 · A top-k spatial keyword query over moving objects (Top-k SKM query) returns the top-k objects, moving or static, based on a ranking function ...