Gold Standard Evaluation of Ontology Learning Methods through Ontology Transformation and Alignment

2011 ◽  
Vol 23 (11) ◽  
pp. 1635-1648 ◽  
Author(s):  
Elias Zavitsanos ◽  
George Paliouras ◽  
George A. Vouros
Keyword(s):  
Gold Standard ◽  
Ontology Learning ◽  
Learning Methods

scholarly journals A Self-Aggregated Hierarchical Topic Model for Short Texts

2021 ◽  
Author(s):  
Yue Niu ◽  
Hongjie Zhang
Keyword(s):  
Real World ◽  
Semantic Information ◽  
Topic Model ◽  
Topic Models ◽  
The Internet ◽  
Ontology Learning ◽  
Learning Methods ◽  
Structured Information ◽  
Topic Hierarchy

With the growth of the internet, short texts such as tweets from Twitter, news titles from the RSS, or comments from Amazon have become very prevalent. Many tasks need to retrieve information hidden from the content of short texts. So ontology learning methods are proposed for retrieving structured information. Topic hierarchy is a typical ontology that consists of concepts and taxonomy relations between concepts. Current hierarchical topic models are not specially designed for short texts. These methods use word co-occurrence to construct concepts and general-special word relations to construct taxonomy topics. But in short texts, word cooccurrence is sparse and lacking general-special word relations. To overcome this two problems and provide an interpretable result, we designed a hierarchical topic model which aggregates short texts into long documents and constructing topics and relations. Because long documents add additional semantic information, our model can avoid the sparsity of word cooccurrence. In experiments, we measured the quality of concepts by topic coherence metric on four real-world short texts corpus. The result showed that our topic hierarchy is more interpretable than other methods.

1393: Ambulatory TURP-The New Gold Standard

2005 ◽  
Vol 173 (4S) ◽  
pp. 378-378
Author(s):  
Arthur C. Pinto
Keyword(s):  
Gold Standard

1774: Nephron-Sparing Surgery as the New Gold Standard for T1 ≤ 7 CM) Renal Cell Carcinoma: Results of a Contemporary Ucla Series

2004 ◽  
Vol 171 (4S) ◽  
pp. 469-469 ◽  
Author(s):  
John S. Lam ◽  
Oleg Shvarts ◽  
Mehrdad Alemozaffarder ◽  
Hyung L. Kim ◽  
He-jing Wang ◽  
...  
Keyword(s):  
Renal Cell Carcinoma ◽  
Cell Carcinoma ◽  
Gold Standard ◽  
Renal Cell ◽  
Nephron Sparing Surgery ◽  
Nephron Sparing
Sign in / Sign up

Export Citation Format

Share Document