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EDBT
2008
ACM
162views Database» more  EDBT 2008»
16 years 7 months ago
Schema merging and mapping creation for relational sources
We address the problem of generating a mediated schema from a set of relational data source schemas and conjunctive queries that specify where those schemas overlap. Unlike past a...
Rachel Pottinger, Philip A. Bernstein
CIKM
2009
Springer
16 years 1 months ago
A signal-to-noise approach to score normalization
Score normalization is indispensable in distributed retrieval and fusion or meta-search where merging of result-lists is required. Distributional approaches to score normalization...
Avi T. Arampatzis, Jaap Kamps
FQAS
2009
Springer
181views Database» more  FQAS 2009»
16 years 1 months ago
Interlingual Information Extraction as a Solution for Multilingual QA Systems
Information extraction systems have been dealt with at length from the viewpoint of users posing definite questions whose expected answer is to be found in a document collection. T...
Jesús Cardeñosa, Carolina Gallardo, ...
DASFAA
2008
IEEE
105views Database» more  DASFAA 2008»
16 years 1 months ago
Redundant Array of Inexpensive Nodes for DWS
The DWS (Data Warehouse Striping) technique is a round-robin data partitioning approach especially designed for distributed data warehousing environments. In DWS the fact tables ar...
Jorge Vieira, Marco Vieira, Marco Costa, Henrique ...
IDEAS
2008
IEEE
105views Database» more  IDEAS 2008»
16 years 1 months ago
Pruning attribute values from data cubes with diamond dicing
Data stored in a data warehouse are inherently multidimensional, but most data-pruning techniques (such as iceberg and top-k queries) are unidimensional. However, analysts need to...
Hazel Webb, Owen Kaser, Daniel Lemire