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188
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ICA
2007
Springer
16 years 23 days ago
2007
Springer
Abstract. This paper presents a new algorithm for solving the permutation ambiguity in convolutive blind source separation. When transformed to the frequency domain, the source sep...
175
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ICALP
2007
Springer
16 years 23 days ago
2007
Springer
Abstract. We give an fpt approximation algorithm for the directed vertex disjoint cycle problem. Given a directed graph G with n vertices and a positive integer k, the algorithm co...
178
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ICDT
2007
ACM
16 years 23 days ago
2007
ACM
Information integration is becoming a critical problem for businesses and individuals alike. Data volumes are sky-rocketing, and new sources and types of information are proliferat...
155
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ICIC
2007
Springer
16 years 23 days ago
2007
Springer
Whether constant π (i.e., pi) is normal is a confusing problem without any strict theoretical demonstration except for some statistical proof. A new concept of pi series is introd...
164
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ICICS
2007
Springer
16 years 23 days ago
2007
Springer
Abstract. To be accepted, a cryptographic scheme must come with a proof that it satisfies some standard security properties. However, because cryptographic schemes are based on no...