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153
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IJAOM
2010
14 years 11 months ago
2010
Technologies have varied strengths and weaknesses which require careful assessment by the purchasers. One of the uses of Data Envelopment Analysis (DEA) is technology selection. T...
126
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CCS
2009
ACM
15 years 11 months ago
2009
ACM
Tor is an anonymous communications network with thousands of router nodes worldwide. An intuition reflected in much of the literature on anonymous communications is that, as an a...
240
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ICDE
2005
IEEE
16 years 5 months ago
2005
IEEE
Given a region qR and a future timestamp qT, a "range aggregate" query estimates the number of objects expected to appear in qR at time qT. Currently the only methods fo...
103
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SIGSOFT
2007
ACM
16 years 5 months ago
2007
ACM
We improve on previous recommender systems by taking advantage of the layered structure of software. We use a random-walk approach, mimicking the more focused behavior of a develo...
140
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WWW
2007
ACM
16 years 5 months ago
2007
ACM
Most of the current methodologies for building ontologies rely on specialized knowledge engineers. This is in contrast to real-world settings, where the need for maintenance of do...