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» Query Optimization in an OODBMS
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TKDE
2011
330views more  TKDE 2011»
14 years 6 months ago
Effective Navigation of Query Results Based on Concept Hierarchies
— Search queries on biomedical databases, such as PubMed, often return a large number of results, only a small subset of which is relevant to the user. Ranking and categorization...
Abhijith Kashyap, Vagelis Hristidis, Michalis Petr...
VLDB
2007
ACM
114views Database» more  VLDB 2007»
16 years 20 hour ago
Optimization and evaluation of shortest path queries
We investigate the problem of how to evaluate efficiently a collection of shortest path queries on massive graphs that are too big to fit in the main memory. To evaluate a shortes...
Edward P. F. Chan, Heechul Lim
DEXA
2008
Springer
113views Database» more  DEXA 2008»
15 years 1 months ago
Optimal Preference Elicitation for Skyline Queries over Categorical Domains
When issuing user-specific queries, users often have a vaguely defined information need. Skyline queries identify the most "interesting" objects for users' incomplet...
Jongwuk Lee, Gae-won You, Seung-won Hwang, Joachim...
EDBT
2011
ACM
256views Database» more  EDBT 2011»
14 years 3 months ago
RanKloud: a scalable ranked query processing framework on hadoop
The popularity of batch-oriented cluster architectures like Hadoop is on the rise. These batch-based systems successfully achieve high degrees of scalability by carefully allocati...
K. Selçuk Candan, Parth Nagarkar, Mithila N...
SIGKDD
2002
93views more  SIGKDD 2002»
14 years 11 months ago
A Perspective on Inductive Databases
Inductive databases tightly integrate databases with data mining. The key ideas are that data and patterns (or models) are handled in the same way and that an inductive query lang...
Luc De Raedt