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SEMCO
2009
IEEE
15 years 11 months ago
An Algebraic Language for Semantic Data Integration on the Hidden Web
Semantic integration in the hidden Web is an emerging area of research where traditional assumptions do not always hold. Frequent changes, conflicts and the sheer size of the hid...
Shazzad Hosain, Hasan M. Jamil
SIGMOD
2009
ACM
132views Database» more  SIGMOD 2009»
16 years 5 months ago
Taming the storage dragon: the adventures of hoTMaN
HoTMaN (HoT-standby MaNager) is a joint research and development project between MySpace and USC Database Laboratory to design and develop a tool to ensure a 24x7 up-time and ease...
Shahram Ghandeharizadeh, Andrew Goodney, Chetan Sh...
SIGMOD
2007
ACM
125views Database» more  SIGMOD 2007»
16 years 5 months ago
Optimizing mpf queries: decision support and probabilistic inference
Managing uncertain data using probabilistic frameworks has attracted much interest lately in the database literature, and a central computational challenge is probabilistic infere...
Héctor Corrada Bravo, Raghu Ramakrishnan
IS
2007
15 years 4 months ago
Semantic optimization techniques for preference queries
Preference queries are relational algebra or SQL queries that contain occurrences of the winnow operator (find the most preferred tuples in a given relation). Such queries are pa...
Jan Chomicki
ER
2007
Springer
88views Database» more  ER 2007»
15 years 11 months ago
Teaching a Schema Translator to Produce O/R Views
This paper describes a rule-based algorithm to derive a relational schema from an extended entity-relationship model. Our work is based on an approach by Atzeni and Torlone in whic...
Peter Mork, Philip A. Bernstein, Sergey Melnik