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PVLDB
2008
136views more  PVLDB 2008»
15 years 6 months ago
Keyword query cleaning
Unlike traditional database queries, keyword queries do not adhere to predefined syntax and are often dirty with irrelevant words from natural languages. This makes accurate and e...
Ken Q. Pu, Xiaohui Yu
PVLDB
2008
126views more  PVLDB 2008»
15 years 6 months ago
Dwarfs in the rearview mirror: how big are they really?
Online-Analytical Processing (OLAP) has been a field of competing technologies for the past ten years. One of the still unsolved challenges of OLAP is how to provide quick respons...
Jens Dittrich, Lukas Blunschi, Marcos Antonio Vaz ...
TASLP
2008
100views more  TASLP 2008»
15 years 6 months ago
Noise Tracking Using DFT Domain Subspace Decompositions
All discrete Fourier transform (DFT) domain-based speech enhancement gain functions rely on knowledge of the noise power spectral density (PSD). Since the noise PSD is unknown in a...
Richard C. Hendriks, Jesper Jensen, Richard Heusde...
198
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TIT
2008
187views more  TIT 2008»
15 years 6 months ago
The Bare Bounded-Storage Model: The Tight Bound on the Storage Requirement for Key Agreement
Abstract--In the bounded-storage model (BSM) for information-theoretic secure encryption and key agreement, one makes use of a random string R whose length t is greater than the as...
Stefan Dziembowski, Ueli M. Maurer
TPDS
2008
98views more  TPDS 2008»
15 years 6 months ago
Free-Riding on BitTorrent-Like Peer-to-Peer File Sharing Systems: Modeling Analysis and Improvement
BitTorrent has emerged as a very popular peer-to-peer file sharing system, which uses an embedded set of incentive mechanisms to encourage contribution and prevent free-riding. How...
Minglu Li, Jiadi Yu, Jie Wu