253 search results - page 35 / 51 » Using and Learning Semantics in Frequent Subgraph Mining |
103
click to vote
KDD
2007
ACM
16 years 3 days ago
2007
ACM
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...
106
click to vote
CCIA
2007
Springer
15 years 5 months ago
2007
Springer
Polysemy is one of the most difficult problems when dealing with natural language resources. Consequently, automated ontology learning from textual sources (such as web resources) ...
110
click to vote
KDD
2005
ACM
16 years 3 days ago
2005
ACM
We propose a new algorithm for dimensionality reduction and unsupervised text classification. We use mixture models as underlying process of generating corpus and utilize a novel,...
ICDM
2007
IEEE
15 years 6 months ago
2007
IEEE
Probabilistic latent semantic indexing (PLSI) represents documents of a collection as mixture proportions of latent topics, which are learned from the collection by an expectation...
102
click to vote
WSDM
2012
ACM
13 years 7 months ago
2012
ACM
Microblogs have become an important source of information for the purpose of marketing, intelligence, and reputation management. Streams of microblogs are of great value because o...