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DASFAA
2008
IEEE
168views Database» more  DASFAA 2008»
15 years 11 months ago
SemanticTwig: A Semantic Approach to Optimize XML Query Processing
Twig pattern matching (TPM) is the core operation of XML query processing. Existing approaches rely on either efficient data structures or novel labeling/indexing schemes to reduce...
Zhifeng Bao, Tok Wang Ling, Jiaheng Lu, Bo Chen
ICDE
2008
IEEE
113views Database» more  ICDE 2008»
15 years 11 months ago
A rank-rewrite framework for summarizing XML documents
Abstract— With XML becoming a standard for data representation and exchange, we can expect to see large scale repositories and warehouses of XML data. In order for users to under...
Maya Ramanath, Kondreddi Sarath Kumar
IDEAS
2008
IEEE
105views Database» more  IDEAS 2008»
15 years 11 months ago
Pruning attribute values from data cubes with diamond dicing
Data stored in a data warehouse are inherently multidimensional, but most data-pruning techniques (such as iceberg and top-k queries) are unidimensional. However, analysts need to...
Hazel Webb, Owen Kaser, Daniel Lemire
DASFAA
2007
IEEE
297views Database» more  DASFAA 2007»
15 years 11 months ago
OLYBIA: Ontology-Based Automatic Image Annotation System Using Semantic Inference Rules
One of the big issues facing current content-based image retrieval is how to automatically extract the high-level concepts from images. In this paper, we present an efficient syste...
Kyung-Wook Park, Jin-Woo Jeong, Dong-Ho Lee
DASFAA
2007
IEEE
183views Database» more  DASFAA 2007»
15 years 11 months ago
BioDIFF: An Effective Fast Change Detection Algorithm for Biological Annotations
Abstract. Warehousing heterogeneous, dynamic biological data is a key technique for biological data integration as it greatly improves performance. However, it requires complex mai...
Yang Song, Sourav S. Bhowmick, C. Forbes Dewey