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121
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EDBTW
2006
Springer
15 years 7 months ago
Semantically Correct Query Answers in the Presence of Null Values
For several reasons a database may not satisfy a given set of integrity constraints (ICs), but most likely most of the information in it is still consistent with those ICs; and cou...
Loreto Bravo, Leopoldo E. Bertossi
CIDR
2009
102views Algorithms» more  CIDR 2009»
15 years 4 months ago
Why Did My Query Slow Down
Enterprise environments have isolated teams responsible separately for database management and the management of underlying networkattached server-storage infrastructure (referred...
Nedyalko Borisov, Sandeep Uttamchandani, Ramani Ro...
140
Voted
IDEAS
2006
IEEE
100views Database» more  IDEAS 2006»
15 years 9 months ago
Data-Driven Publication of Relational Databases
The paper presents a framework for publishing relational databases in textual documents such as mails, HTML pages, LATEX or BibTex files, plain texts, etc. The publication proces...
Sonia Guehis, Philippe Rigaux, Emmanuel Waller
130
Voted
IS
2008
15 years 3 months ago
The complexity and approximation of fixing numerical attributes in databases under integrity constraints
Consistent query answering is the problem of characterizing and computing the semantically correct answers to queries from a database that may not satisfy certain integrity constr...
Leopoldo E. Bertossi, Loreto Bravo, Enrico Francon...
SIGMOD
2009
ACM
291views Database» more  SIGMOD 2009»
16 years 4 months ago
Partial join order optimization in the paraccel analytic database
The ParAccel Analytic DatabaseTM is a fast shared-nothing parallel relational database system with a columnar orientation, adaptive compression, memory-centric design, and an enha...
Yijou Chen, Richard L. Cole, William J. McKenna, S...