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239
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WWW
2009
ACM
16 years 7 months ago
2009
ACM
The increasing availability of GPS-enabled devices is changing the way people interact with the Web, and brings us a large amount of GPS trajectories representing people's lo...
160
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WWW
2008
ACM
16 years 7 months ago
2008
ACM
Online auctions have become a pervasive transaction mechanism for e-commerce. As the largest online marketplace in the world, eBay is an attractive case study that enables the stu...
173
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WWW
2008
ACM
16 years 7 months ago
2008
ACM
This paper presents PrivacyGrid - a framework for supporting anonymous location-based queries in mobile information delivery systems. The PrivacyGrid framework offers three unique...
164
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WWW
2008
ACM
16 years 7 months ago
2008
ACM
Recent interests on XML, Semantic Web, and Web ontology, among other topics, have sparked a renewed interest on graph-structured databases. A fundamental query on graphs is the re...
173
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WWW
2008
ACM
16 years 7 months ago
2008
ACM
In many cases, rather than a keyword search, people intend to see what is going on through the Internet. Then the integrated comprehensive information on news topics is necessary,...