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SIGMOD
2001
ACM
124views Database» more  SIGMOD 2001»
16 years 6 months ago
Query Optimization In Compressed Database Systems
Over the last decades, improvements in CPU speed have outpaced improvements in main memory and disk access rates by orders of magnitude, enabling the use of data compression techn...
Zhiyuan Chen, Johannes Gehrke, Flip Korn
PET
2010
Springer
15 years 10 months ago
Privacy-Preserving Queries over Relational Databases
We explore how Private Information Retrieval (PIR) can help users keep their sensitive information from being leaked in an SQL query. We show how to retrieve data from a relational...
Femi G. Olumofin, Ian Goldberg
EUROPAR
2008
Springer
15 years 8 months ago
Complex Queries for Moving Object Databases in DHT-Based Systems
Abstract. Distributed moving object database servers are a feasible solution to the scalability problem of centralized database systems. In this paper we propose a distributed inde...
Cecilia Hernández, M. Andrea Rodrígu...
CIDR
2009
129views Algorithms» more  CIDR 2009»
15 years 7 months ago
Extracting and Querying a Comprehensive Web Database
Recent research in domain-independent information extraction holds the promise of an automatically-constructed structured database derived from the Web. A query system based on th...
Michael J. Cafarella
ICDE
2009
IEEE
158views Database» more  ICDE 2009»
16 years 8 months ago
BioNav: Effective Navigation on Query Results of Biomedical Databases
Search queries on biomedical databases like PubMed often return a large number of results, only a small subset of which is relevant to the user. Ranking and categorization, which c...
Abhijith Kashyap, Vagelis Hristidis, Michalis Petr...