224 search results - page 38 / 45 » Neighborhood systems and approximate retrieval |
SIGIR
2010
ACM
14 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...
SIGIR
2008
ACM
13 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
13 years 8 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
14 years 10 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
14 years 10 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...