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EDBT
2010
ACM
151views Database» more  EDBT 2010»
14 years 25 days ago
The Data Cyclotron query processing scheme
R. Goncalves, M. Kersten
EDBT
2010
ACM
151views Database» more  EDBT 2010»
14 years 25 days ago
Warm cache costing: a feedback optimization technique for buffer pool aware costing
Most modern RDBMS depend on the query processing optimizer’s cost model to choose the best execution plan for a given query. Since the physical IO (PIO) is a costly operation to...
H. S. Ramanujam, Edwin Seputis
DASFAA
2010
IEEE
224views Database» more  DASFAA 2010»
14 years 26 days ago
Dynamic Skyline Queries in Large Graphs
Given a set of query points, a dynamic skyline query reports all data points that are not dominated by other data points according to the distances between data points and query po...
Lei Zou, Lei Chen 0002, M. Tamer Özsu, Dongya...
DASFAA
2010
IEEE
189views Database» more  DASFAA 2010»
14 years 26 days ago
Peer-to-Peer Similarity Search Based on M-Tree Indexing
Similarity search in metric spaces has several important applications both in centralized and distributed environments. In centralized applications, such as similarity-based image ...
Akrivi Vlachou, Christos Doulkeridis, Yannis Kotid...
ICLP
2003
Springer
14 years 28 days ago
Argumentation Databases
We introduce a proposal to give argumentation capacity to databases. A database is said to have argumentation capacity if it can extract from the information available to it a set ...
Shekhar Pradhan
ICDT
2003
ACM
202views Database» more  ICDT 2003»
14 years 28 days ago
Condensed Representation of Database Repairs for Consistent Query Answering
Abstract. Repairing a database means bringing the database in accordance with a given set of integrity constraints by applying modifications that are as small as possible. In the ...
Jef Wijsen
ICDT
2003
ACM
126views Database» more  ICDT 2003»
14 years 28 days ago
Typechecking Top-Down Uniform Unranked Tree Transducers
We investigate the typechecking problem for XML queries: statically verifying that every answer to a query conforms to a given output schema, for inputs satisfying a given input sc...
Wim Martens, Frank Neven
ICDT
2003
ACM
94views Database» more  ICDT 2003»
14 years 28 days ago
Auditing Sum Queries
In an on-line statistical database, the query system should leave unanswered queries asking for sums that could lead to the disclosure of confidential data. To check that, every su...
Francesco M. Malvestuto, Mauro Mezzini
ICDT
2003
ACM
127views Database» more  ICDT 2003»
14 years 28 days ago
On Reasoning about Structural Equality in XML: A Description Logic Approach
We define a boolean complete description logic dialect called DLFDreg that can be used to reason about structural equality in semistructured ordered data in the presence of docume...
David Toman, Grant E. Weddell