Sciweavers

8220 search results - page 255 / 1644
» Querying XML Data
Sort
View
CAISE
2006
Springer
15 years 10 months ago
Generic Data Access in XML Based Workflow Management Systems
Various kinds of data are processed in workflow management systems: from case data to control data, from internal data to access to external databases or documents exchanged in int...
Christian Dreier, Johann Eder, Marek Lehmann, Amir...
EDBT
2011
ACM
222views Database» more  EDBT 2011»
14 years 10 months ago
The hidden web, XML and the Semantic Web: scientific data management perspectives
The World Wide Web no longer consists just of HTML pages. Our work sheds light on a number of trends on the Internet that go beyond simple Web pages. The hidden Web provides a wea...
Fabian M. Suchanek, Aparna S. Varde, Richi Nayak, ...
FOIKS
2010
Springer
15 years 10 months ago
On the Existence of Armstrong Data Trees for XML Functional Dependencies
Armstrong databases are a popular tool in example-based database design. An Armstrong database for a given constraint set from a fixed constraint class Z satisfies precisely those ...
Sven Hartmann, Henning Köhler, Thu Trinh
ICDT
2009
ACM
119views Database» more  ICDT 2009»
16 years 7 months ago
Querying data sources that export infinite sets of views
We study the problem of querying data sources that accept only a limited set of queries, such as sources accessible by Web services which can implement very large (potentially inf...
Bogdan Cautis, Alin Deutsch, Nicola Onose
TKDE
2012
487views Formal Methods» more  TKDE 2012»
13 years 9 months ago
Query Planning for Continuous Aggregation Queries over a Network of Data Aggregators
—Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of som...
Rajeev Gupta, Krithi Ramamritham