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PVLDB
2010
175views more  PVLDB 2010»
9 years 10 months ago
Dynamic Join Optimization in Multi-Hop Wireless Sensor Networks
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...
Svilen R. Mihaylov, Marie Jacob, Zachary G. Ives, ...
VLDB
2002
ACM
161views Database» more  VLDB 2002»
9 years 11 months ago
XMark: A Benchmark for XML Data Management
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...
Albrecht Schmidt 0002, Florian Waas, Martin L. Ker...
JIIS
2000
111views more  JIIS 2000»
9 years 11 months ago
Multidimensional Index Structures in Relational Databases
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...
Christian Böhm, Stefan Berchtold, Hans-Peter ...
INFFUS
2007
88views more  INFFUS 2007»
9 years 11 months ago
A progressive query language and interactive reasoner for information fusion support
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...
Shi-Kuo Chang, Erland Jungert, Xin Li
VLDB
2000
ACM
124views Database» more  VLDB 2000»
10 years 3 months ago
Toward Learning Based Web Query Processing
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...
Yanlei Diao, Hongjun Lu, Songting Chen, Zengping T...
DEXA
1999
Springer
87views Database» more  DEXA 1999»
10 years 4 months ago
SECONDO/QP: Implementation of a Generic Query Processor
: 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 ...
Ralf Hartmut Güting, Stefan Dieker, Claudia F...
SIGMOD
2000
ACM
99views Database» more  SIGMOD 2000»
10 years 4 months ago
WSQ/DSQ: A Practical Approach for Combined Querying of Databases and the Web
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...
Roy Goldman, Jennifer Widom
ICSOC
2003
Springer
10 years 4 months ago
Service-Based Distributed Querying on the Grid
Service-based approaches (such as Web Services and the Open Grid Services Architecture) have gained considerable attention recently for supporting distributed application developme...
M. Nedim Alpdemir, Arijit Mukherjee, Norman W. Pat...
VLDB
2004
ACM
102views Database» more  VLDB 2004»
10 years 5 months ago
PIVOT and UNPIVOT: Optimization and Execution Strategies in an RDBMS
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...
Conor Cunningham, Goetz Graefe, César A. Ga...
KI
2004
Springer
10 years 5 months ago
Model Based Deduction for Database Schema Reasoning
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...
Peter Baumgartner, Ulrich Furbach, Margret Gro&szl...
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