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SIGMOD
2008
ACM
124views Database» more  SIGMOD 2008»
15 years 4 months ago
Scalable network distance browsing in spatial databases
An algorithm is presented for finding the k nearest neighbors in a spatial network in a best-first manner using network distance. The algorithm is based on precomputing the shorte...
Hanan Samet, Jagan Sankaranarayanan, Houman Alborz...
CASES
2003
ACM
15 years 9 months ago
Clustered calculation of worst-case execution times
Knowing the Worst-Case Execution Time (WCET) of a program is necessary when designing and verifying real-time systems. A correct WCET analysis method must take into account the po...
Andreas Ermedahl, Friedhelm Stappert, Jakob Engblo...
170
Voted
DASFAA
2008
IEEE
190views Database» more  DASFAA 2008»
15 years 10 months ago
Analysis of Time Series Using Compact Model-Based Descriptions
Abstract. Recently, we have proposed a novel method for the compression of time series based on mathematical models that explore dependencies between different time series. This r...
Hans-Peter Kriegel, Peer Kröger, Alexey Pryak...
127
Voted
ICASSP
2010
IEEE
15 years 4 months ago
Multiplicative update rules for nonnegative matrix factorization with co-occurrence constraints
Nonnegative matrix factorization (NMF) is a widely-used tool for obtaining low-rank approximations of nonnegative data such as digital images, audio signals, textual data, financ...
Steven K. Tjoa, K. J. Ray Liu
216
Voted
ACL
2009
15 years 2 months ago
Unsupervised Relation Extraction by Mining Wikipedia Texts Using Information from the Web
This paper presents an unsupervised relation extraction method for discovering and enhancing relations in which a specified concept in Wikipedia participates. Using respective cha...
Yulan Yan, Naoaki Okazaki, Yutaka Matsuo, Zhenglu ...