1088 search results - page 61 / 218 » Probabilistic query expansion using query logs |
AAAI
2007
14 years 18 days ago
2007
In this paper, we propose to mine query hierarchies from clickthrough data, which is within the larger area of automatic acquisition of knowledge from the Web. When a user submits...
ICDE
2008
IEEE
14 years 11 months ago
2008
IEEE
In this paper, we address the problem of extending a relational database system to facilitate efficient real-time application of dynamic probabilistic models to streaming data. he ...
CCCG
2008
13 years 11 months ago
2008
Given a set of n points P = {p1, p2, . . . , pn} in the plane, we show how to preprocess P such that for any query line segment L we can report in O(log n) time the smallest enclo...
DEXAW
1999
IEEE
1999
IEEE
Using the Distance Distribution for Approximate Similarity Queries in High-Dimensional Metric Spaces
14 years 2 months ago
We investigate the problem of approximate similarity (nearest neighbor) search in high-dimensional metric spaces, and describe how the distance distribution of the query object ca...
PVLDB
2010
13 years 8 months ago
2010
Recently, there has been increasing interest in extending relational query processing to include data obtained from unstructured sources. A common approach is to use stand-alone I...