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172
Voted
PODS
2000
ACM
102views Database» more  PODS 2000»
15 years 11 months ago
Linear Approximation of Planar Spatial Databases Using Transitive-Closure Logic
We consider spatial databases in the plane that can be defined by polynomial constraint formulas. Motivated by applications in geographic information systems, we investigate line...
Floris Geerts, Bart Kuijpers
166
Voted
EDBTW
2006
Springer
15 years 10 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 8 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...
IDEAS
2006
IEEE
100views Database» more  IDEAS 2006»
16 years 27 days 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
IS
2008
15 years 6 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...