1125 search results - page 128 / 225 » Query Answering in Inconsistent Databases |
113
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DAGSTUHL
2007
15 years 3 months ago
2007
Abstract. Moving objects produce trajectories, which are stored in databases by means of finite samples of time-stamped locations. When also speed limitations in these sample poin...
121
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ICDE
2010
IEEE
15 years 4 months ago
2010
IEEE
HECATAEUS is an open-source software tool for enabling impact prediction, what-if analysis, and regulation of relational database schema evolution. We follow a graph theoretic appr...
129
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MDM
2007
Springer
15 years 8 months ago
2007
Springer
This work tackles the problem of answer-aggregation for continuous spatio-temporal range queries in distributed settings. We assume a grid-like coverage of the spatial universe of...
225
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ICDE
2008
IEEE
16 years 3 months ago
2008
IEEE
We study new hierarchical indexing approach to process XPATH queries. Here, a hierarchical index consists of index entries that are pairs of queries and their (full/partial) answer...
190
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SIGMOD
2008
ACM
16 years 2 months ago
2008
ACM
Uncertain data is inherent in a few important applications such as environmental surveillance and mobile object tracking. Top-k queries (also known as ranking queries) are often n...