106 search results - page 5 / 22 » Adaptive Query Formulation to Handle Database Evolution |
IAJIT
2010
14 years 8 months ago
2010
: A broad variety of data is available in distinct heterogeneous sources, stored under different formats: database formats (in relational and object-oriented models), document form...
BMCBI
2008
14 years 9 months ago
2008
Background: In the last five years large online resources of human variability have appeared, notably HapMap, Perlegen and the CEPH foundation. These databases of genotypes with p...
SIGMOD
1999
ACM
15 years 1 months ago
1999
ACM
In this paper we present a mechanism for translating constraint queries, i.e., Boolean expressions of constraints, across heterogeneous information sources. Integrating such syste...
EDBT
2002
ACM
15 years 9 months ago
2002
ACM
With the emergence of applications that require content-based similarity retrieval, techniques to support such a retrieval paradigm over database systems have emerged as a critica...
COMPSAC
2002
IEEE
15 years 2 months ago
2002
IEEE
Visual Query Languages represent an evolution, in terms of understandability and adaptability, with respect to traditional textual languages. We present an iconic query system tha...