224 search results - page 38 / 45 » Neighborhood systems and approximate retrieval |
SIGIR
2010
ACM
15 years 1 months ago
2010
ACM
Evaluation metrics play a critical role both in the context of comparative evaluation of the performance of retrieval systems and in the context of learning-to-rank (LTR) as objec...
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SIGIR
2008
ACM
14 years 9 months ago
2008
ACM
Efficient similarity search in high-dimensional spaces is important to content-based retrieval systems. Recent studies have shown that sketches can effectively approximate L1 dist...
TOCHI
2010
14 years 7 months ago
2010
Current Web search tools do a good job of retrieving documents that satisfy the wide range of intentions that people associate with a query – but do not do a very good job of di...
KDD
2008
ACM
15 years 9 months ago
2008
ACM
We introduce the problem of query decomposition, where we are given a query and a document retrieval system, and we want to produce a small set of queries whose union of resulting...
SIGMOD
2004
ACM
15 years 9 months ago
2004
ACM
Subsequence similarity matching in time series databases is an important research area for many applications. This paper presents a new approximate approach for automatic online s...