PVLDB
2010
13 years 9 months ago
2010
To enable smart environments and self-tuning data centers, we are developing the Aspen system for integrating physical sensor data, as well as stream data coming from machine logi...
VLDB
2002
ACM
13 years 11 months ago
2002
ACM
While standardization efforts for XML query languages have been progressing, researchers and users increasingly focus on the database technology that has to deliver on the new cha...
JIIS
2000
13 years 11 months ago
2000
Abstract. Efficient query processing is one of the basic needs for data mining algorithms. Clustering algorithms, association rule mining algorithms and OLAP tools all rely on effi...
INFFUS
2007
13 years 11 months ago
2007
Previous approaches in query processing do not consider queries to automatically combine results obtained from different information sources, i.e. they do not support information...
VLDB
2000
ACM
14 years 3 months ago
2000
ACM
In this paper, we describe a novel Web query processing approach with learning capabilities. Under this approach, user queries are in the form of keywords and search engines are e...
DEXA
1999
Springer
14 years 3 months ago
1999
Springer
: In an extensible database system, evaluation of a query plan is done in cooperation between a collection of operator implementation functions and a component of the DBMS that we ...
SIGMOD
2000
ACM
14 years 3 months ago
2000
ACM
We present WSQ/DSQ (pronounced “wisk-disk”), a new approach for combining the query facilities of traditional databases with existing search engines on the Web. WSQ, for Web-S...
ICSOC
2003
Springer
14 years 4 months ago
2003
Springer
Service-based approaches (such as Web Services and the Open Grid Services Architecture) have gained considerable attention recently for supporting distributed application developme...
VLDB
2004
ACM
14 years 4 months ago
2004
ACM
PIVOT and UNPIVOT, two operators on tabular data that exchange rows and columns, enable data transformations useful in data modeling, data analysis, and data presentation. They ca...
KI
2004
Springer
14 years 4 months ago
2004
Springer
Abstract. We aim to demonstrate that automated deduction techniques, in particular those following the model computation paradigm, are very well suited for database schema/query re...