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SSD
2005
Springer
153views Database» more  SSD 2005»
16 years 2 days ago
Constrained Shortest Path Computation
This paper proposes and solves a-autonomy and k-stops shortest path problems in large spatial databases. Given a source s and a destination d, an aautonomy query retrieves a sequen...
Manolis Terrovitis, Spiridon Bakiras, Dimitris Pap...
ECCV
2010
Springer
15 years 12 months ago
Balancing Deformability and Discriminability for Shape Matching
Abstract. We propose a novel framework, aspect space, to balance deformability and discriminability, which are often two competing factors in shape and image representations. In th...
ISCI
2007
142views more  ISCI 2007»
15 years 6 months ago
Semantic passage segmentation based on sentence topics for question answering
We propose a semantic passage segmentation method for a Question Answering (QA) system. We define a semantic passage as sentences grouped by semantic coherence, determined by the...
Hyo-Jung Oh, Sung-Hyon Myaeng, Myung-Gil Jang
PVLDB
2010
143views more  PVLDB 2010»
15 years 5 months ago
Embellishing Text Search Queries To Protect User Privacy
Users of text search engines are increasingly wary that their activities may disclose confidential information about their business or personal profiles. It would be desirable f...
HweeHwa Pang, Xuhua Ding, Xiaokui Xiao
SIGKDD
2010
146views more  SIGKDD 2010»
15 years 1 months ago
Latent semantic indexing (LSI) fails for TREC collections
The aim of latent semantic indexing (LSI) is to uncover the relationships between terms, hidden concepts, and documents. LSI uses the matrix factorization technique known as singu...
Avinash Atreya, Charles Elkan