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» Representing and Querying Data Transformations
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WLP
2004
Springer
15 years 6 months ago
Declaratively Querying and Visualizing Knowledge Bases in Xml
Abstract. The maintenance of large knowledge systems usually is a rather complex task. In this paper we will show that extensions or modifications of a knowledge base can be suppo...
Dietmar Seipel, Joachim Baumeister, Marbod Hopfner
ICDE
2006
IEEE
196views Database» more  ICDE 2006»
16 years 2 months ago
Closure-Tree: An Index Structure for Graph Queries
Graphs have become popular for modeling structured data. As a result, graph queries are becoming common and graph indexing has come to play an essential role in query processing. ...
Huahai He, Ambuj K. Singh
COOPIS
1994
IEEE
15 years 5 months ago
Query Translation Supporting the Migration of Legacy Databases into Cooperative Information Systems
In this paper, we present a query translation algorithm which allows object-oriented queries to be automatically translated into a relational query language. Our goal is to provid...
Daniel A. Keim, Hans-Peter Kriegel, Andreas Mieths...
DEBU
1999
112views more  DEBU 1999»
15 years 1 months ago
Describing and Manipulating XML Data
This paper presents a brief overview of data management using the Extensible Markup Language (XML). It presents the basics of XML and the DTDs used to constrain XML data, and desc...
Sudarshan S. Chawathe
CHI
1994
ACM
15 years 5 months ago
Using aggregation and dynamic queries for exploring large data sets
When working with large data sets, users perform three primary types of activities: data manipulation, data analysis, and data visualization. The data manipulation process involve...
Jade Goldstein, Steven F. Roth