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CIKM
2010
Springer
15 years 4 months ago
A hierarchical approach to reachability query answering in very large graph databases
The cost of reachability query computation using traditional algorithms such as depth first search or transitive closure has been found to be prohibitive and unacceptable in mass...
Saikat K. Dey, Hasan M. Jamil
ER
2007
Springer
89views Database» more  ER 2007»
16 years 6 days ago
On Order Dependencies for the Semantic Web
We consider the problem of adding both equality and order generating dependencies to Web ontology languages such as OWL DL that are based on description logics. Such dependencies u...
David Toman, Grant E. Weddell
VLDB
2001
ACM
144views Database» more  VLDB 2001»
15 years 10 months ago
RoadRunner: Towards Automatic Data Extraction from Large Web Sites
The paper investigates techniques for extracting data from HTML sites through the use of automatically generated wrappers. To automate the wrapper generation and the data extracti...
Valter Crescenzi, Giansalvatore Mecca, Paolo Meria...
ICPR
2004
IEEE
16 years 7 months ago
Combining Null Space-based Gabor Features for Face Recognition
We propose a novel face recognition strategy combining various discriminating Gabor features in multi-scales and multi-orientations. A bank of well-chosen Gabor filters is applied...
Tieniu Tan, Wei Fan, Wei Liu, Yunhong Wang
COMPSAC
2000
IEEE
15 years 10 months ago
Transforming Legacy Energy Management System (EMS) Modules into Reusable Components: A Case Study
: A two-layer adaptive wrapping technique is proposed in this paper to migrate legacy Energy Management System (EMS) modules into reusable components, and therefore transforming th...
Qing Zhao, Hoh In, Xiaowei Wu, Garng M. Huang