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PKDD
2010
Springer
235views Data Mining» more  PKDD 2010»
13 years 2 months ago
Online Structural Graph Clustering Using Frequent Subgraph Mining
The goal of graph clustering is to partition objects in a graph database into different clusters based on various criteria such as vertex connectivity, neighborhood similarity or t...
Madeleine Seeland, Tobias Girschick, Fabian Buchwa...
KDD
2007
ACM
177views Data Mining» more  KDD 2007»
14 years 5 months ago
Mining optimal decision trees from itemset lattices
We present DL8, an exact algorithm for finding a decision tree that optimizes a ranking function under size, depth, accuracy and leaf constraints. Because the discovery of optimal...
Élisa Fromont, Siegfried Nijssen
SIGMOD
2008
ACM
101views Database» more  SIGMOD 2008»
14 years 5 months ago
Pay-as-you-go user feedback for dataspace systems
A primary challenge to large-scale data integration is creating semantic equivalences between elements from different data sources that correspond to the same real-world entity or...
Shawn R. Jeffery, Michael J. Franklin, Alon Y. Hal...
JCDL
2005
ACM
100views Education» more  JCDL 2005»
13 years 10 months ago
What's there and what's not?: focused crawling for missing documents in digital libraries
Some large scale topical digital libraries, such as CiteSeer, harvest online academic documents by crawling open-access archives, university and author homepages, and authors’ s...
Ziming Zhuang, Rohit Wagle, C. Lee Giles