8220 search results - page 310 / 1644 » Querying XML Data |
179
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SIGMOD
2003
ACM
16 years 7 months ago
2003
ACM
The United States Environmental Protection Agency (EPA) prepares a national criteria and hazardous air pollutant (HAP) emission inventory with input from numerous states, local an...
181
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ICDT
2007
ACM
16 years 28 days ago
2007
ACM
Abstract. Schema mappings play a central role in both data integration and data exchange, and are understood as high-level specifications describing the relationships between data...
271
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SIGMOD
2005
ACM
16 years 7 months ago
2005
ACM
Window queries are proving essential to data-stream processing. In this paper, we present an approach for evaluating sliding-window aggregate queries that reduces both space and c...
294
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ICDE
2008
IEEE
16 years 8 months ago
2008
IEEE
Data sources on the web are often accessible through web interfaces that present them as relational tables, but require certain attributes to be mandatorily selected, e.g., via a w...
314
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ICDE
2008
IEEE
16 years 8 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...