2985 search results - page 267 / 597 » Indexing Distributed Complex Data for Complex Queries |
192
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PVLDB
2010
15 years 5 months ago
2010
Though partially automated, developing schema mappings remains a complex and potentially error-prone task. In this paper, we present TRAMP (TRAnsformation Mapping Provenance), an ...
180
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DIS
2001
Springer
15 years 11 months ago
2001
Springer
Rapid growth of digital data collections is overwhelming the capabilities of humans to comprehend them without aid. The extraction of useful data from large raw data sets is someth...
186
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DILS
2005
Springer
16 years 6 days ago
2005
Springer
For execution of complex biological queries, data integration systems often use several intermediate data sources because the domain coverage of individual sources is limited. Qual...
213
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CLEF
2004
Springer
16 years 1 days ago
2004
Springer
Abstract. Recent research has suggested that there is no general similarity measure, which can be applied on arbitrary databases without any parameterization. Hence, the optimal co...
171
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CIKM
1999
Springer
15 years 11 months ago
1999
Springer
On-line analytical processing (OLAP) requires e cient processing of complex decision support queries over very large databases. It is well accepted that pre-computed data cubes ca...