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IS
2008
15 years 6 months ago
DFL: A dataflow language based on Petri nets and nested relational calculus
In this paper we propose DFL -- a formal, graphical workflow language for dataflows, i.e., workflows where large amounts of complex data are manipulated, and the structure of the ...
Jan Hidders, Natalia Kwasnikowska, Jacek Sroka, Je...
DEXA
2007
Springer
150views Database» more  DEXA 2007»
16 years 23 days ago
Sequence Alignment as a Database Technology Challenge
Abstract. Sequence alignment is an important task for molecular biologists. Because alignment basically deals with approximate string matching on large biological sequence collecti...
Hans Philippi
ICMCS
2000
IEEE
171views Multimedia» more  ICMCS 2000»
15 years 11 months ago
A Probabilistic-Based Mechanism for Video Database Management Systems
As more information sources become available in multimedia systems, the development of multimedia database management systems (MDBMSs) to efficiently model and search multimedia ...
Mei-Ling Shyu, Shu-Ching Chen, Rangasami L. Kashya...
KDD
2004
ACM
164views Data Mining» more  KDD 2004»
16 years 7 months ago
Cluster-based concept invention for statistical relational learning
We use clustering to derive new relations which augment database schema used in automatic generation of predictive features in statistical relational learning. Clustering improves...
Alexandrin Popescul, Lyle H. Ungar
CIKM
2009
Springer
16 years 1 months ago
Evaluation of methods for relative comparison of retrieval systems based on clickthroughs
The Cranfield evaluation method has some disadvantages, including its high cost in labor and inadequacy for evaluating interactive retrieval techniques. As a very promising alter...
Jing He, Chengxiang Zhai, Xiaoming Li