6974 search results - page 409 / 1395 » Querying Semi-Structured Data |
183
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SWAP
2007
15 years 8 months ago
2007
Abstract. Recent research showed the benefits of adopting formal ontologies as a means for accessing heterogeneous data sources. The use of an ontology not only provides a uniform...
169
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IJCGA
2007
15 years 6 months ago
2007
Given two sets A and B of m non-intersecting line segments in the plane, we show how to compute in O(m log m) time a data structure that uses O(m) space and allows to answer the fo...
214
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AICOM
2004
15 years 6 months ago
2004
Abstract. We address the problem of answering queries using expressive symmetric inter-schema constraints which allow to establish mappings between several heterogeneous informatio...
210
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PVLDB
2010
15 years 5 months ago
2010
Many DBMS products in the market provide built in encryption support to deal with the security concerns of the organizations. This solution is quite effective in preventing data ...
168
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WINET
2010
15 years 5 months ago
2010
Location-centric storage (LCS) is envisioned as a promising scheme for robust and user-friendly ondemand data storage in networking environments such as the roadway sensor networks...