Please use this identifier to cite or link to this item: http://localhost:8080/xmlui/handle/123456789/4115
Title: LDA BASED TOPIC MODELING OF JOURNAL ABSTRACTS
Authors: Anupriya, P
Karpagavalli, S
Issue Date: 12-Nov-2015
Publisher: IEEE
Abstract: Topic modeling is a powerful technique for unsupervised analysis of large document collections. Topic models conceive latent topics in text using hidden random variables, and discover that structure with posterior inference. Topic models have a wide range of applications like tag recommendation, text categorization, keyword extraction and similarity search in the broad fields of text mining, information retrieval, statistical language modeling. In this work, a dataset with 200 abstracts fall under four topics are collected from two different domain journals for tagging journal abstracts. The document models are built using LDA (Latent Dirichlet Allocation) with Collapsed Variational Bayes and Gibbs sampling. Then the built model is used to extract appropriate tags for abstracts. The performance of the built models are analyzed by the evaluation measure perplexity and observed that Gibbs sampling outperforms CV B0 sampling. Tags extracted by two algorithms remains almost the same.
URI: https://ieeexplore.ieee.org/document/7324058
Appears in Collections:3.Conference Paper (08)

Files in This Item:
File Description SizeFormat 
LDA BASED TOPIC MODELING OF JOURNAL ABSTRACTS.docx236.56 kBMicrosoft Word XMLView/Open


Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.