714 search results - page 29 / 143 » Phase4: Automatic Evaluation of Database Search Methods |
CAIP
2003
Springer
15 years 5 months ago
2003
Springer
A general framework for automatic segmentation of diatom images is presented. This segmentation is a critical first step in contour-based methods for automatic identification of ...
205
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VLDB
2007
ACM
16 years 18 hour ago
2007
ACM
Given a multidimensional point q, a reverse k nearest neighbor (RkNN) query retrieves all the data points that have q as one of their k nearest neighbors. Existing methods for proc...
112
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SIGMOD
2012
ACM
13 years 2 months ago
2012
ACM
Query substitution is an important problem in information retrieval. Much work focuses on how to find substitutes for any given query. In this paper, we study how to efficiently ...
112
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DASFAA
2009
IEEE
15 years 3 months ago
2009
IEEE
We investigate the expressiveness of existing XML keyword search semantics and propose Meaningful Connected Network (MCN) as a new semantics to capture meaningful relationships of ...
135
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SIGIR
2012
ACM
13 years 2 months ago
2012
ACM
Most queries in web search are ambiguous and multifaceted. Identifying the major senses and facets of queries from search log data, referred to as query subtopic mining in this pa...