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» Queries and Constraints on Semi-structured Data
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PVLDB
2010
128views more  PVLDB 2010»
14 years 8 months ago
Update Rewriting and Integrity Constraint Maintenance in a Schema Evolution Support System: PRISM++
Supporting legacy applications when the database schema evolves represents a long-standing challenge of practical and theoretical importance. Recent work has produced algorithms a...
Carlo Curino, Hyun Jin Moon, Alin Deutsch, Carlo Z...
PVLDB
2010
151views more  PVLDB 2010»
14 years 8 months ago
Advanced Processing for Ontological Queries
Ontology-based data access is a powerful form of extending database technology, where a classical extensional database (EDB) is enhanced by an ontology that generates new intensio...
Andrea Calì, Georg Gottlob, Andreas Pieris
FQAS
2004
Springer
122views Database» more  FQAS 2004»
15 years 1 months ago
Simplification of Integrity Constraints with Aggregates and Arithmetic Built-Ins
In the context of relational as well as deductive databases, correct and efficient integrity checking is a crucial issue, as, without any guarantee of data consistency, the answers...
Davide Martinenghi
98
Voted
WSDM
2010
ACM
211views Data Mining» more  WSDM 2010»
15 years 2 months ago
IntervalRank - Isotonic Regression with Listwise and Pairwise Constraints
Ranking a set of retrieved documents according to their relevance to a given query has become a popular problem at the intersection of web search, machine learning, and informatio...
Taesup Moon, Alex Smola, Yi Chang, Zhaohui Zheng
DBSEC
2009
110views Database» more  DBSEC 2009»
14 years 10 months ago
Enforcing Confidentiality Constraints on Sensitive Databases with Lightweight Trusted Clients
Existing approaches for protecting sensitive information stored (outsourced) at external "honest-but-curious" servers are typically based on an overlying layer of encrypt...
Valentina Ciriani, Sabrina De Capitani di Vimercat...