1588 search results - page 40 / 318 » Consistent query answering in databases |
211
Voted
ICDT
2009
ACM
16 years 4 months ago
2009
ACM
Graph-theoretic aggregation problems have been considered both in OLAP (grid graph) and XML (tree). This paper gives new results for MIN aggregation in a tree, where we want the M...
119
Voted
CSE
2009
IEEE
15 years 8 months ago
2009
IEEE
— The ubiquity of mobile devices has led to a rising demand for location-based services and applications. A major part of these services is based on the location-detection capabi...
130
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ICDE
2010
IEEE
15 years 4 months ago
2010
IEEE
— In this paper, we aim to realize a context and preference-aware database system, CareDB, that provides scalable personalized location-based services to users based on their pre...
129
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SIGMOD
1999
ACM
15 years 8 months ago
1999
ACM
In large data warehousing environments, it is often advantageous to provide fast, approximate answers to complex aggregate queries based on statistical summaries of the full data....
199
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SIGMOD
2005
ACM
16 years 4 months ago
2005
ACM
Nested Intervals generalize Nested Sets. They are immune to hierarchy reorganization problem. They allow answering ancestor path hierarchical queries algorithmically - without acc...