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Skip to Search Results- 22Rafiei, Davood (Computing Science)
- 4Mou, Lili (Computing Science)
- 2Sander, Joerg (Computing Science)
- 1Barbosa, Denilson (Computing Science)
- 1Lin, Dekang (Computing Science)
- 1Nascimento, Mario (Computing Science)
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Fall 2022
Building intelligent open-domain dialogue systems is a long-standing goal of artificial intelligence. These systems, also known as chatbots, aim to hold conversations with humans in an open-ended fashion. However, it is well known that standard encoder-decoder dialogue systems tend to generate...
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An Interaction-driven Approach for Inferring the Polarity of Collaborations in Wikipedia and Political Preferences on Twitter
DownloadSpring 2013
In this thesis we explore interactions of users of two major information sources, namely Wikipedia and Twitter. In particular, we show that revision histories of Wikipedia articles contain interaction patterns which can be used to build collaboration profiles of editors. Such profiles can be...
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Fall 2013
The amount of information available on the Web is rapidly growing, and the need for extracting more useful and relevant data from this tremendously large source has become an interesting research challenge. Among various types of useful information that can be extracted, lists in particular are...
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Spring 2016
While the World Wide Web has always been treated as an immense source of data, most information it provides is usually deemed unstructured and sometimes ambiguous, which in turn makes it unreliable. But the web also contains a relatively large number of structured data in the form of tables,...
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Fall 2014
We study the problem of classifying users in a classified ad network and its applications in further analyzing the network. Specifically, we seek to classify Kijiji users into one of the two business and non-business categories. The problem is challenging due to the sparsity of the data about...
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Fall 2009
Answer typing is an important aspect of the question answering process. Most commonly addressed with the use of a fixed set of possible answer classes via question classification, answer typing influences which answers will ultimately be selected as correct. Answer typing introduces the concept...
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Fall 2012
With the large presence of organizations from different sectors of economy on the web, the problem of detecting which sector a given website belongs to is both important and challenging. We study the problem of classifying websites into four non-topical categories: public, private, non-profit and...
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Spring 2021
Paraphrasing involves changing the expression of a sentence and rewording it to inform the same information as the original sentence and can occur at word-level, phrase-level, or sentence-level. Paraphrasing task has been attracting attention in recent years as several natural language processing...
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Fall 2023
There is essential information in the underlying structure of sentences and the relationships between words and phrases in natural language questions, and the use of this information has been extensively studied. This thesis studies the problem of word transfer from questions to answer passages...
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Fall 2023
Language models are a fundamental component of natural language processing (NLP) systems. Numerous successful deployments of modern artificial intelligence systems are based on language models, including GPT-4 and ChatGPT. In practice, they are often trained with the teacher forcing objective,...