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» Algorithms for the Database Layout Problem
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ICDAR
2007
IEEE
15 years 6 months ago
Automatic Ground-truth Generation for Document Image Analysis and Understanding
Performance evaluation for document image analysis and understanding is a recurring problem. Many groundtruthed document image databases are now used to evaluate general algorithm...
Pierre Héroux, Eugen Barbu, Sébastie...
ICDE
2007
IEEE
140views Database» more  ICDE 2007»
16 years 5 months ago
Selecting Stars: The k Most Representative Skyline Operator
Skyline computation has many applications including multi-criteria decision making. In this paper, we study the problem of selecting k skyline points so that the number of points,...
Xuemin Lin, Yidong Yuan, Qing Zhang, Ying Zhang
VLDB
1995
ACM
132views Database» more  VLDB 1995»
15 years 8 months ago
Coloring Away Communication in Parallel Query Optimization
We address the problem of finding parallel plans for SQL queries using the two-phase approach of join ordering and query rewrite (JOQR) followed by parallelization. We focus on t...
Waqar Hasan, Rajeev Motwani
ER
2007
Springer
89views Database» more  ER 2007»
15 years 10 months 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
FAW
2010
Springer
225views Algorithms» more  FAW 2010»
15 years 4 months ago
Computing Minimum Diameter Color-Spanning Sets
We study the minimum diameter color-spanning set problem which has recently drawn some attention in the database community. We show that the problem can be solved in polynomial tim...
Rudolf Fleischer, Xiaoming Xu