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SIGIR
2008
ACM
13 years 7 months ago
EigenRank: a ranking-oriented approach to collaborative filtering
A recommender system must be able to suggest items that are likely to be preferred by the user. In most systems, the degree of preference is represented by a rating score. Given a...
Nathan Nan Liu, Qiang Yang
PLDI
2009
ACM
14 years 8 months ago
A decision procedure for subset constraints over regular languages
Reasoning about string variables, in particular program inputs, is an important aspect of many program analyses and testing frameworks. Program inputs invariably arrive as strings...
Pieter Hooimeijer, Westley Weimer
POPL
2007
ACM
14 years 8 months ago
Lock allocation
We introduce lock allocation, an automatic technique that takes a multi-threaded program annotated with atomic sections (that must be executed atomically), and infers a lock assig...
Michael Emmi, Jeffrey S. Fischer, Ranjit Jhala, Ru...
CIKM
2006
Springer
13 years 11 months ago
Adaptive non-linear clustering in data streams
Data stream clustering has emerged as a challenging and interesting problem over the past few years. Due to the evolving nature, and one-pass restriction imposed by the data strea...
Ankur Jain, Zhihua Zhang, Edward Y. Chang
MEDIAFORENSICS
2010
13 years 9 months ago
Minimizing embedding impact in steganography using trellis-coded quantization
In this paper, we propose a practical approach to minimizing embedding impact in steganography based on syndrome coding and trellis-coded quantization and contrast its performance...
Tomás Filler, Jan Judas, Jessica J. Fridric...