339 search results - page 14 / 68 » Improved Query Performance with Variant Indexes |
SAC
2005
ACM
15 years 3 months ago
2005
ACM
We present a novel indexing schema that provides eļ¬cient nearest-neighbor queries in multimedia databases consisting of objects described by multiple feature vectors. The beneļ¬...
IS
2007
14 years 10 months ago
2007
: A number of indexing techniques have been proposed in recent times for optimizing the queries on XML and other semistructured data models. Most of the semistructured models use t...
ICDCS
2009
IEEE
15 years 7 months ago
2009
IEEE
In this paper, we study the problem of indexing multidimensional data in the P2P networks based on distributed hash tables (DHTs). We identify several design issues and propose a ...
ECAI
2000
Springer
15 years 2 months ago
2000
Springer
In several information retrieval (IR) systems there is a possibility for user feedback. Many machine learning methods have been proposed that learn from the feedback information in...
SIGMOD
1989
ACM
15 years 2 months ago
1989
ACM
Spatial objects other than points and boxes can be stored in spatial indexes, but the techniques usually require the use of approximations that can be arbitrarily bad. This leads ...