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A Time-Aware Approach to Improving Ad-hoc Information Retrieval from Microblogs

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dc.contributor.advisorHuang, Xiangji (Jimmy)
dc.creatorAmin Nayeri, Zahra
dc.date.accessioned2014-07-17T14:47:45Z
dc.date.available2014-07-17T14:47:45Z
dc.date.copyright2014-04-17
dc.date.issued2014-07-09
dc.date.updated2014-07-09T17:04:12Z
dc.degree.disciplineInformation Systems and Technology
dc.degree.levelMaster's
dc.degree.nameMA - Master of Arts
dc.description.abstractThere is an immense number of short-text documents produced as the result of microblogging. The content produced is growing as the number of microbloggers grows, and as active microbloggers continue to post millions of updates. The range of topics discussed is so vast, that microblogs provide an abundance of useful information. In this work, the problem of retrieving the most relevant information in microblogs is addressed. Interesting temporal patterns were found in the initial analysis of the study. Therefore the focus of the current work is to first exploit a temporal variable in order to see how effectively it can be used to predict the relevance of the tweets and, then, to include it in a retrieval weighting model along with other tweet-specific features. Generalized Linear Mixed-effect Models (GLMMs) are used to analyze the features and to propose two re-ranking models. These two models were developed through an exploratory process on a training set and then were evaluated on a test set.en_US
dc.identifier.urihttp://hdl.handle.net/10315/27669
dc.language.isoenen_US
dc.rightsAuthor owns copyright, except where explicitly noted. Please contact the author directly with licensing requests.
dc.subjectInformation technologyen_US
dc.subject.keywordsWeighting functionsen_US
dc.subject.keywordsInformation Retrievalen_US
dc.subject.keywordsMicroblog Information Retrievalen_US
dc.subject.keywordsTwitter Searchen_US
dc.subject.keywordsTwitter Information Retrievalen_US
dc.subject.keywordsTemporal Information Retrievalen_US
dc.subject.keywordsTime-Aware Approach to Retrievalen_US
dc.subject.keywordsShort-text Retrievalen_US
dc.subject.keywordsGeneralized Linear Mixed-effect Modelsen_US
dc.subject.keywordsGLMMen_US
dc.subject.keywordsLogistic Regressionen_US
dc.subject.keywordsRe-ranking modelsen_US
dc.titleA Time-Aware Approach to Improving Ad-hoc Information Retrieval from Microblogsen_US
dc.typeElectronic Thesis or Dissertation

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