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» Algorithms for the Database Layout Problem
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PAKDD
2004
ACM
94views Data Mining» more  PAKDD 2004»
15 years 12 months ago
Towards Optimizing Conjunctive Inductive Queries
Inductive queries are queries to an inductive database that generate a set of patterns in a data mining context. Inductive querying poses new challenges to database and data mining...
Johannes Fischer, Luc De Raedt
STDBM
2004
Springer
127views Database» more  STDBM 2004»
15 years 12 months ago
Condition Evaluation for Speculative Systems: a Streaming Time Series Case
Application systems often need to react with certain actions whenever some preset conditions are satisfied. In many cases, the evaluation of these conditions takes long time, but...
Xiaoyang Sean Wang, Like Gao, Min Wang
WIDM
2003
ACM
15 years 11 months ago
Schema-guided wrapper maintenance for web-data extraction
Extracting data from Web pages using wrappers is a fundamental problem arising in a large variety of applications of vast practical interests. There are two main issues relevant t...
Xiaofeng Meng, Dongdong Hu, Chen Li
CIKM
2001
Springer
15 years 11 months ago
Managing Trust in a Peer-2-Peer Information System
Managing trust is a problem of particular importance in peer-to-peer environments where one frequently encounters unknown agents. Existing methods for trust management, that are b...
Karl Aberer, Zoran Despotovic
SIGMOD
1999
ACM
87views Database» more  SIGMOD 1999»
15 years 10 months ago
On Random Sampling over Joins
A major bottleneck in implementing sampling as a primitive relational operation is the ine ciency ofsampling the output of a query. It is not even known whether it is possible to ...
Surajit Chaudhuri, Rajeev Motwani, Vivek R. Narasa...