1719 search results - page 120 / 344 » Magic Sets for Data Integration |
157
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PCI
2001
Springer
15 years 8 months ago
2001
Springer
Earthquake phenomena constitute a rich source of information over the years. Typically, the frequency of earthquakes worldwide is one every second. Collecting and querying seismic ...
150
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VLDB
1998
ACM
15 years 8 months ago
1998
ACM
Semistructured data is not strictly typed like relational or object-oriented data and may be irregular or incomplete. It often arises in practice, e.g., when heterogeneous data so...
146
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DAWAK
2006
Springer
15 years 8 months ago
2006
Springer
Abstract. There is an urgent need for sound approaches to integrative and collaborative analysis of large, autonomous (and hence, inevitably semantically heterogeneous) data source...
168
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DGO
2004
15 years 5 months ago
2004
This paper describes a Web-based query system for semantically heterogeneous government-produced data. Geospatial Web-based information systems and portals are currently being dev...
117
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PVLDB
2010
15 years 2 months ago
2010
A variety of integrity constraints have been studied for data cleaning. While these constraints can detect the presence of errors, they fall short of guiding us to correct the err...