5954 search results - page 491 / 1191 » Querying Bi-level Information |
220
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ISI
2008
Springer
15 years 7 months ago
2008
Springer
Pervasive information systems give an overview of what digital environments should look like in the future. From a data-centric point of view, traditional databases have to be used...
224
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AICOM
2004
15 years 7 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...
212
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GIS
2010
ACM
15 years 5 months ago
2010
ACM
Many Web sites support keyword search on their spatial data, such as business listings and photos. In these systems, inconsistencies and errors can exist in both queries and the d...
197
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JCO
2010
15 years 5 months ago
2010
Rocchio’s similarity-based relevance feedback algorithm, one of the most important query reformation methods in information retrieval, is essentially an adaptive supervised lear...
223
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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 ...