931 search results - page 161 / 187 » Storage and Querying of E-Commerce Data |
WWW
2005
ACM
14 years 9 months ago
2005
ACM
We consider the problem of indexing high-dimensional data for answering (approximate) similarity-search queries. Similarity indexes prove to be important in a wide variety of sett...
MOBISYS
2008
ACM
14 years 8 months ago
2008
ACM
Cascadia is a system that provides RFID-based pervasive computing applications with an infrastructure for specifying, extracting and managing meaningful high-level events from raw...
WWW
2010
ACM
14 years 3 months ago
2010
ACM
There are significant barriers to academic research into user Web search preferences. Academic researchers are unable to manipulate the results shown by a major search engine to ...
WSDM
2009
ACM
14 years 3 months ago
2009
ACM
Recently the re-ranking algorithms have been quite popular for web search and data mining. However, one of the issues is that those algorithms treat the content and link informati...
VLDB
2008
ACM
14 years 9 months ago
2008
ACM
Abstract In this article, we present a comprehensive approach for privacy preserving access control based on the notion of purpose. In our model, purpose information associated wit...