2546 search results - page 195 / 510 » Managing long-running queries |
211
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NDT
2010
15 years 5 months ago
2010
This paper focuses on an aspect that is widely neglected in native XML database management systems: support for concurrent transactional access. We analyze the isolation requireme...
210
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SIGMOD
2011
ACM
14 years 9 months ago
2011
ACM
This demo shows how usage information buried in query logs can play a central role in data integration and data exchange. More specifically, our system U-Map uses query logs to g...
275
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GIS
2006
ACM
16 years 7 months ago
2006
ACM
Situational awareness (SA) applications monitor the real world and the entities therein to support tasks such as rapid decision-making, reasoning, and analysis. Raw input about un...
196
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PODS
2008
ACM
16 years 6 months ago
2008
ACM
We present a formal framework for capturing the provenance of data appearing in XQuery views of XML. Building on previous work on relations and their (positive) query languages, w...
170
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SAC
2009
ACM
16 years 1 months ago
2009
ACM
XML data warehouses form an interesting basis for decisionsupport applications that exploit heterogeneous data from multiple sources. However, XML-native database systems currentl...