1160 search results - page 210 / 232 » Query Processing and Optimization for Pictorial Query Trees |
EDBT
2009
ACM
15 years 4 months ago
2009
ACM
Materialized views (MV) can significantly improve the query performance of relational databases. In this paper, we consider MVs to optimize complex scenarios where many heterogen...
SIGMOD
2004
ACM
15 years 10 months ago
2004
ACM
Graph has become increasingly important in modelling complicated structures and schemaless data such as proteins, chemical compounds, and XML documents. Given a graph query, it is...
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PODS
1994
ACM
15 years 2 months ago
1994
ACM
Traditionally, computational complexity has considered only static problems. Classical Complexity Classes such as NC, P, and NP are de ned in terms of the complexity of checking {...
CIKM
2006
Springer
15 years 1 months ago
2006
Springer
We propose an In-Network Data-Centric Storage (INDCS) scheme for answering ad-hoc queries in sensor networks. Previously proposed In-Network Storage (INS) schemes suffered from St...
BNCOD
2003
14 years 11 months ago
2003
Data mining aims at discovering important and previously unknown patterns from the dataset in the underlying database. Database mining performs mining directly on data stored in r...