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6 Result(s)

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  1. No Access

    Chapter and Conference Paper

    Two-Phase Exclusion Based Broadcast Adaptation in Wireless Networks

    The basic idea of popularity-based wireless broadcast is to broadcast data with most requests. However, client requests cannot always reflect their entire data requirements. It thereby leads to the inaccuracy ...

    Keke Cai, Huaizhong Lin, Chun Chen in Advances in Web-Age Information Management (2005)

  2. No Access

    Chapter and Conference Paper

    An Automatic Approach for Efficient Text Segmentation

    This paper presents a domain-independent approach for partitioning text documents into a set of topic-coherent segment units, where the structure of segments reflects the patterns of sub-topics of the processe...

    Keke Cai, Jiajun Bu, Chun Chen, Peng Huang in Knowledge-Based Intelligent Information an… (2006)

  3. No Access

    Chapter and Conference Paper

    Syntactic Impact on Sentence Similarity Measure in Archive-Based QA System

    There’s now an increase in the number of Question Answering communities where large archives of question and answer pairs are collected up over time. These archives help traditional type-specified Question Ans...

    Guang Qiu, Jiajun Bu, Chun Chen, Peng Huang… in Advances in Knowledge Discovery and Data M… (2007)

  4. No Access

    Chapter and Conference Paper

    A Multi-dependency Language Modeling Approach to Information Retrieval

    This paper presents a multi-dependency language modeling approach to information retrieval. The approach extends the basic KL-divergence retrieval approach by introducing the hybrid dependency structure, which...

    Keke Cai, Chun Chen, Jiajun Bu, Guang Qiu… in Emerging Technologies in Knowledge Discove… (2007)

  5. Article

    Topic level expertise search over heterogeneous networks

    In this paper, we present a topic level expertise search framework for heterogeneous networks. Different from the traditional Web search engines that perform retrieval and ranking at document level (or at obje...

    Jie Tang, **g Zhang, Ruoming **, Zi Yang, Keke Cai, Li Zhang… in Machine Learning (2011)

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  6. No Access

    Chapter and Conference Paper

    How Do People Communicate through Different Social Connections?

    This paper presents a comparison study to identify the communication patterns of people through different social connections. Advances in technology have brought many communication channels for people in daily...

    Keke Cai, Yu Zhao, Jie Tang, Li Zhang, Zhong Su in Web-Age Information Management (2014)