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» Algorithms for Querying by Spatial Structure
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PVLDB
2010
135views more  PVLDB 2010»
14 years 10 months ago
QSkycube: Efficient Skycube Computation using Point-Based Space Partitioning
Skyline queries have gained considerable attention for multicriteria analysis of large-scale datasets. However, the skyline queries are known to return too many results for highdi...
Jongwuk Lee, Seung-won Hwang
CAISE
2010
Springer
15 years 5 months ago
Supporting Semantic Search on Heterogeneous Semi-structured Documents
This paper presents SHIRI-Querying 3 , an approach for semantic search on semi-structured documents. We propose a solution to tackle incompleteness and imprecision of semantic anno...
Yassine Mrabet, Nacéra Bennacer, Nathalie P...
CORR
2010
Springer
120views Education» more  CORR 2010»
14 years 11 months ago
LRM-Trees: Compressed Indices, Adaptive Sorting, and Compressed Permutations
LRM-Trees are an elegant way to partition a sequence of values into sorted consecutive blocks, and to express the relative position of the first element of each block within a prev...
Jérémy Barbay, Johannes Fischer
KDD
2004
ACM
216views Data Mining» more  KDD 2004»
16 years 4 months ago
GPCA: an efficient dimension reduction scheme for image compression and retrieval
Recent years have witnessed a dramatic increase in the quantity of image data collected, due to advances in fields such as medical imaging, reconnaissance, surveillance, astronomy...
Jieping Ye, Ravi Janardan, Qi Li
HICSS
2002
IEEE
113views Biometrics» more  HICSS 2002»
15 years 9 months ago
Persona: A Contextualized and Personalized Web Search
Abstract— Recent advances in graph-based search techniques derived from Kleinberg’s work [1] have been impressive. This paper further improves the graph-based search algorithm ...
Francisco Tanudjaja, Lik Mu