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DBSEC
2006
160views Database» more  DBSEC 2006»
13 years 9 months ago
On Finding an Inference-Proof Complete Database for Controlled Query Evaluation
Abstract. Controlled Query Evaluation (CQE) offers a logical framework to prevent a user of a database from inadvertently gaining knowledge he is not allowed to know. By modeling t...
Joachim Biskup, Lena Wiese
ITNG
2006
IEEE
14 years 1 months ago
Utilizing XML Schema for Describing and Querying Still Image Databases
In this paper, still images are modeled by hierarchical tree structures and object relational graphs. These modeling concepts can be described naturally using XML schema. We intro...
Kazem Taghva, Min Xu, Emma Regentova, Tom Nartker
CASCON
2004
108views Education» more  CASCON 2004»
13 years 9 months ago
Consistent query answering under inclusion dependencies
For several reasons a database may not satisfy certain integrity constraints (ICs), for example, when it is the result of integrating several independent data sources. However, mo...
Loreto Bravo, Leopoldo E. Bertossi
JCS
2008
94views more  JCS 2008»
13 years 7 months ago
Preprocessing for controlled query evaluation with availability policy
Controlled Query Evaluation (CQE) defines a logical framework to protect confidential information in a database. By modeling a user's a priori knowledge appropriately, a CQE ...
Joachim Biskup, Lena Wiese
ICDE
2010
IEEE
226views Database» more  ICDE 2010»
14 years 7 months ago
Approximation Trade-Offs in Markovian Stream Processing: An Empirical Study
Abstract-- A large amount of the world's data is both sequential and imprecise. Such data is commonly modeled as Markovian streams; examples include words/sentences inferred f...
Julie Letchner, Christopher Re, Magdalena Balazins...