9683 search results - page 1319 / 1937 » Predicting query performance |
212
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EDBT
2009
ACM
16 years 2 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...
161
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CIKM
2009
Springer
16 years 1 months ago
2009
Springer
Web search engines are often implemented as centralized systems. Designing and implementing a Web search engine in a distributed environment is a challenging engineering task that...
192
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SEMWEB
2009
Springer
16 years 1 months ago
2009
Springer
Abstract. The focus of web search is moving away from returning relevant documents towards returning structured data as results to user queries. A vital part in the architecture of...
223
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SSDBM
2007
IEEE
16 years 1 months ago
2007
IEEE
Bitmap indices have been widely used in several domains such as data warehousing and scientific applications due to their efficiency in answering certain query types over large ...
213
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ATAL
2007
Springer
16 years 1 months ago
2007
Springer
Determining the provenance of data, i.e. the process that led to that data, is vital in many disciplines. For example, in science, the process that produced a given result must be...