The Multimedia and Information Systems group at the Knowledge Media Institute of the Open Univers... more The Multimedia and Information Systems group at the Knowledge Media Institute of the Open University participated in the Expert Search and Document Search tasks of the Enterprise Track in TREC 2007. In both the document and expert search tasks, we have studied the effect of anchor texts in addition to document contents, document authority, url length, query expansion, and relevance feedback in improving search effectiveness. In the expert search task, we have continued using a two-stage language model consisting of a ...
I. INTRoDUcTIoN In the light of information overload problem on the Web, we have seen a prolifera... more I. INTRoDUcTIoN In the light of information overload problem on the Web, we have seen a proliferation of search engines such as Google which mostly rely on statistical analysis. The success is partly due to the robustness of such statistical approach making use of redundancy information ...
and other research outputs Integrating multiple document features in language models for expert f... more and other research outputs Integrating multiple document features in language models for expert finding
The Multimedia and Information Systems group at the Knowledge Media Institute of the Open Univers... more The Multimedia and Information Systems group at the Knowledge Media Institute of the Open University participated in the Expert Search and Document Search tasks of the Enterprise Track in TREC 2007. In both the document and expert search tasks, we have studied the effect of anchor texts in addition to document contents, document authority, url length, query expansion, and relevance feedback in improving search effectiveness. In the expert search task, we have continued using a two-stage language model consisting of a ...
I. INTRoDUcTIoN In the light of information overload problem on the Web, we have seen a prolifera... more I. INTRoDUcTIoN In the light of information overload problem on the Web, we have seen a proliferation of search engines such as Google which mostly rely on statistical analysis. The success is partly due to the robustness of such statistical approach making use of redundancy information ...
and other research outputs Integrating multiple document features in language models for expert f... more and other research outputs Integrating multiple document features in language models for expert finding
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Papers by Jianhan Zhu