826 search results - page 99 / 166 » Query Performance Prediction: Evaluation Contrasted with Eff... |
160
Voted
ICDE
2008
IEEE
15 years 11 months ago
2008
IEEE
Abstract-- We present COLR-Tree, an abstraction layer designed to support efficient spatio-temporal queries on live data gathered from a large collection of sensors. We use COLR-Tr...
SIGIR
2010
ACM
15 years 1 months ago
2010
ACM
In this paper, we present a novel image search system, image search by concept map. This system enables users to indicate not only what semantic concepts are expected to appear bu...
SIGMOD
2003
ACM
15 years 9 months ago
2003
ACM
To facilitate queries over semi-structured data, various structural summaries have been proposed. Structural summaries are derived directly from the data and serve as indices for ...
88
Voted
PVLDB
2008
14 years 9 months ago
2008
This paper introduces Clustera, an integrated computation and data management system. In contrast to traditional clustermanagement systems that target specific types of workloads,...
75
Voted
VLDB
1997
ACM
15 years 1 months ago
1997
ACM
In this paper we describe novel techniques that make it possible to build an industrial-strength tool for automating the choice of indexes in the physical design of a SQL database...