8298 search results - page 424 / 1660 » Query-Free Information Retrieval |
182
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CC
2006
Springer
15 years 6 months ago
2006
Springer
We show that any 1-round 2-server Private Information Retrieval Protocol where the answers are 1-bit long must ask questions that are at least n - 2 bits long, which is nearly equa...
168
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SIGIR
2008
ACM
15 years 6 months ago
2008
ACM
We present a novel passage-based approach to re-ranking documents in an initially retrieved list so as to improve precision at top ranks. While most work on passage-based document...
145
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CN
1999
15 years 6 months ago
1999
Soon many people will retrieve information from the Web using handheld, palmsized or even smaller computers. Although these computers have dramatically increased in sophistication...
193
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CIKM
2009
Springer
15 years 4 months ago
2009
Springer
Standard approaches to evaluating and comparing information retrieval systems compute simple averages of performance statistics across individual topics to measure the overall sys...
177
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TODAES
2011
15 years 1 months ago
2011
—In this paper, we present an attack on stream cipher implementations by determining the scan chain structure of the linear feedback shift registers in their implementations. Alt...