Browse College of Engineering by Contributor "Zhai, ChengXiang"

  • Zhang, Yinan (2017-07-11)
    The past decades have seen dramatic increase in the amount of information available to us, and the research area of information retrieval has served to help us access the tiny subset of information relevant to each of us ...

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  • Kim, Hyung Sul (2017-04-19)
    Information networks with multi-typed nodes and edges with different semantics are called heterogenous information networks. Since heterogeneous information networks embed more complex information than homogeneous information ...

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  • Zhang, Aston (2017-04-20)
    The rapid growth of big data formed by human activities makes research on intention analysis both challenging and rewarding. We study multifaceted problems in analyzing intentions from big data traces of human activities, ...

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  • Sondhi, Parikshit (2014-01-16)
    Over the past few decades two prominent paradigms for information seeking in the form of search engines and recommendation systems have been developed. However neither of these is well suited to serve queries representing ...

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  • Fang, Hui (2007)
    The axiomatic framework opens up many new possibilities for developing and studying more robust and effective retrieval functions, and provides a flexible mechanism to incorporate more information to further improve the ...

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  • Do, Quang (2012-09-18)
    In this thesis, we study the importance of background knowledge in relation extraction systems. We not only demonstrate the benefits of leveraging background knowledge to improve the systems' performance but also propose ...

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  • Massung, Sean Alexander (2017-04-19)
    A massive amount of online information is natural language text: newspapers, blog articles, forum posts and comments, tweets, scientific literature, government documents, and more. While in general, all kinds of online ...

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  • Yin, Zuoning (2012-05-22)
    With the advance of technology, current systems are becoming much more powerful in computation, much faster in data transfer and much more abundant in data storage. However, what have been left behind are the system ...

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  • Kazemian, Abdol Majid (2013-02-03)
    A major challenge in understanding metazoan genomes is to find and annotate the regions that control the precise spatial and temporal expression of the genes. Cis- regulatory modules (CRMs/enhancers), main players of this ...

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  • Jiang, Yunliang (2013-02-03)
    The development of Web 2.0 techniques has led to the prosperity of online communities, which spread to various domains and areas in our daily life. When it comes to the medicine and healthcare domain, a series of good ...

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  • Mohan, Vishaal (2017-04-25)
    Events in the world generate an enormous amount of textual data like tweets and news articles. These events also manifest in the form of changes to time-series numeric data. This thesis deals with the problem of extracting ...

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  • He, Xin (2010-01-06)
    Gene expression is controlled by regulatory DNA sequences, often called cis-regulatory modules or CRMs in higher organisms. Even though complete genomes are available in many species, a catalog of CRMs is far from complete. ...

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  • Ling, Xu (2010-01-06)
    Understanding the evolution and organization of the genomic functional elements is one of the most important goals of genomic studies. The complexity of the functional information encoded in the genome sequences and the ...

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  • Ling, Xu (2009-12)
    Understanding the evolution and organization of the genomic functional elements is one of the most important goals of genomic studies. The complexity of the functional information encoded in the genome sequences and the ...

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  • Wang, Hongning (2014-09-16)
    User modeling is essential for any information service system (e.g., search engines, recommender systems, and computational advertising) to optimize its service to the end users. The level of user understanding directly ...

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  • Gilbert, Eric E. (2011-01-14)
    Relationships make social media social. But, not all relationships are created equal. We have colleagues with whom we correspond intensely, but not deeply; we have childhood friends we consider close, even if we fell out ...

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  • Tsai, Chen-Tse (2017-07-06)
    Extracting and disambiguating entities and concepts is a crucial step toward understanding natural language text. In this thesis, we consider the problem of grounding concepts and entities mentioned in text to one or more ...

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  • Mei, Qiaozhu (2010-01-06)
    With the dramatic growth of text information, there is an increasing need for powerful text mining systems that can automatically discover useful knowledge from text. Text is generally associated with all kinds of contextual ...

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  • Kim, Yong-Bin (2010-08-20)
    Top-down proteomics is a revolutionary application for the identification and characterization of protein, known to be one of the most complicated and challenging issues in biology. In top-down proteomics, the quality ...

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  • Lee, Yoonkyong (2010-05-19)
    This dissertation studies the schema matching problem that finds semantic correspon- dences (called matches) between disparate data sources. Examples of semantic matches include “location = address” and “name = ...

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