Sciweavers

1165 search results - page 209 / 233
» Databases and Natural Language Interfaces
Sort
View
SIGMOD
1995
ACM
116views Database» more  SIGMOD 1995»
14 years 1 months ago
Incremental Maintenance of Views with Duplicates
We study the problem of e cient maintenance of materialized views that may contain duplicates. This problem is particularly important when queries against such views involve aggre...
Timothy Griffin, Leonid Libkin
EFDBS
2001
13 years 11 months ago
Augmenting SQL with Dynamic Restructuring to Support Interoperability in a Relational Federation
In this work, we consider augmenting SQL with constructs allowing dynamic restructuring. Dynamic restructuring occurs naturally in a framework including second-order capabilities f...
Catharine M. Wyss, Felix I. Wyss, Dirk Van Gucht
CVPR
2001
IEEE
14 years 12 months ago
Clustering Art
We extend a recently developed method [1] for learning the semantics of image databases using text and pictures. We incorporate statistical natural language processing in order to...
Kobus Barnard, Pinar Duygulu, David A. Forsyth
DBSEC
2004
108views Database» more  DBSEC 2004»
13 years 11 months ago
Why Is this User Asking so Many Questions? Explaining Sequences of Queries
A sequence of queries submitted by a database user within a short period of time may have a single, illuminating explanation. In this paper we consider sequences of single-record q...
Aybar C. Acar, Amihai Motro
PODS
2008
ACM
155views Database» more  PODS 2008»
14 years 10 months ago
The recovery of a schema mapping: bringing exchanged data back
A schema mapping is a specification that describes how data from a source schema is to be mapped to a target schema. Once the data has been transferred from the source to the targ...
Marcelo Arenas, Jorge Pérez, Cristian River...