Description: Please refer to the section BELOW (and NOT ABOVE) this line for the product details - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Title:Augmenting Latent Dirichlet Allocation And Rank Threshold Detection With OntologiesISBN13:9781502959485ISBN10:1502959488Author:Air Force Institute of Technology (Author)Description:(This is a RePrint) - In An Ever-Increasing Data Rich Environment, Actionable Information Must Be Extracted, Filtered, And Correlated From Massive Amounts Of Disparate Often Free Text Sources The Usefulness Of The Retrieved Information Depends On How We Accomplish These Steps And Present The Most Relevant Information To The Analyst One Method For Extracting Information From Free Text Is Latent Dirichlet Allocation (Lda), A Document Categorization Technique To Classify Documents Into Cohesive Topics Although Lda Accounts For Some Implicit Relationships Such As Synonymy (Same Meaning) It Often Ignores Other Semantic Relationships Such As Polysemy (Different Meanings), Hyponym (Subordinate), Meronym (Part Of), And Troponomys (Manner) To Compensate For This Deficiency, We Incorporate Explicit Word Ontologies, Such As Wordnet, Into The Lda Algorithm To Account For Various Semantic Relationships Experiments Over The 20 Newsgroups, Nips, Ohsumed, And Ied Document Collections Demonstrate That Incorporating Such Knowledge Improves Perplexity Measure Over Lda Alone For Given Parameters In Addition, The Same Ontology Augmentation Improves Recall And Precision Results For User Queries Binding:Paperback, PaperbackPublisher:Createspace Independent Publishing PlatformPublication Date:2014-10-26Weight:0.58 lbsDimensions:0.22'' H x 11.02'' L x 8.5'' WNumber of Pages:104Language:English
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Location: USA
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Book Title: Augmenting Latent Dirichlet Allocation and Rank Threshold Detection with Ontologies
Number of Pages: 102 Pages
Language: English
Publisher: CreateSpace
Item Height: 0.2 in
Publication Year: 2014
Topic: General
Genre: Technology & Engineering
Item Weight: 11.5 Oz
Author: Air Force Air Force Institute of Technology
Item Length: 11 in
Item Width: 8.5 in
Format: Trade Paperback
