Sciweavers

2225 search results - page 273 / 445
» Mining Sequential Patterns
Sort
View
CNSR
2004
IEEE
180views Communications» more  CNSR 2004»
15 years 10 months ago
The Reconstruction of User Sessions from a Server Log Using Improved Time-Oriented Heuristics
Web usage mining plays an important role in the personalization of Web services, adaptation of Web sites, and the improvement of Web server performance. It applies data mining tec...
Jie Zhang, Ali A. Ghorbani
IJAIT
2007
180views more  IJAIT 2007»
15 years 6 months ago
Detection and Prediction of Rare Events in Transaction Databases
Rare events analysis is an area that includes methods for the detection and prediction of events, e.g. a network intrusion or an engine failure, that occur infrequently and have s...
Christos Berberidis, Ioannis P. Vlahavas
ICDM
2010
IEEE
117views Data Mining» more  ICDM 2010»
15 years 4 months ago
Node Similarities from Spreading Activation
In this paper we propose two methods to derive two different kinds of node similarities in a network based on their neighborhood. The first similarity measure focuses on the overla...
Kilian Thiel, Michael R. Berthold
WSDM
2012
ACM
252views Data Mining» more  WSDM 2012»
14 years 2 months ago
WebSets: extracting sets of entities from the web using unsupervised information extraction
We describe a open-domain information extraction method for extracting concept-instance pairs from an HTML corpus. Most earlier approaches to this problem rely on combining cluste...
Bhavana Bharat Dalvi, William W. Cohen, Jamie Call...
KDD
2004
ACM
163views Data Mining» more  KDD 2004»
16 years 6 months ago
Exploiting dictionaries in named entity extraction: combining semi-Markov extraction processes and data integration methods
We consider the problem of improving named entity recognition (NER) systems by using external dictionaries--more specifically, the problem of extending state-of-the-art NER system...
William W. Cohen, Sunita Sarawagi