Sciweavers

664 search results - page 107 / 133
» Answering order-based queries over XML data
Sort
View
65
Voted
ICDE
2010
IEEE
208views Database» more  ICDE 2010»
16 years 7 days ago
Intensional Associations in Dataspaces
Dataspace applications necessitate the creation of associations among data items over time. For example, once information about people is extracted from sources on the Web, associa...
Marcos Antonio Vaz Salles, Jens Dittrich, Lukas Bl...
98
Voted
PVLDB
2008
130views more  PVLDB 2008»
14 years 12 months ago
Analyzing and revising data integration schemas to improve their matchability
Data integration systems often provide a uniform query interface, called a mediated schema, to a multitude of data sources. To answer user queries, such systems employ a set of se...
Xiaoyong Chai, Mayssam Sayyadian, AnHai Doan, Arno...
149
Voted
ICDM
2009
IEEE
130views Data Mining» more  ICDM 2009»
15 years 7 months ago
Active Learning with Generalized Queries
—Active learning can actively select or construct examples to label to reduce the number of labeled examples needed for building accurate classifiers. However, previous works of...
Jun Du, Charles X. Ling
161
Voted
SIGMOD
2005
ACM
100views Database» more  SIGMOD 2005»
16 years 19 days ago
A Disk-Based Join With Probabilistic Guarantees
One of the most common operations in analytic query processing is the application of an aggregate function to the result of a relational join. We describe an algorithm for computi...
Chris Jermaine, Alin Dobra, Subramanian Arumugam, ...
116
Voted
XIMEP
2006
ACM
161views Database» more  XIMEP 2006»
15 years 6 months ago
Programming with XQuery
XQuery is a declarative language for querying and updating XML data sources. Interfacing XQuery to a host programming language is difficult because of the type system mismatch, an...
Donald D. Chamberlin, Michael J. Carey, Daniela Fl...