research on enterprise track of trec 2007
DESCRIPTION
Research on Enterprise Track of TREC 2007. Huizhong Duan, Qi Zhou, Zhen Lu, Ou Jin, Shenghua Bao, Yunbo Cao and Yong Yu Apex Knowledge & Data Management Lab. Presenter: Yangbo Zhu. Document Search. Outline. Static Ranking Approaches. Link Sparse; Similar, Small Rank. HostRank Algorithm. - PowerPoint PPT PresentationTRANSCRIPT
Huizhong Duan, Qi Zhou, Zhen Lu, Ou Jin, Shenghua Bao, Yunbo Cao and Yong Yu
Apex Knowledge & Data Management Lab
Presenter: Yangbo Zhu
Link Sparse;Similar, Small
Rank.
Link Sparse;Similar, Small
Rank.
http://www.ento.csiro.auhttp://www.ento.csiro.auhttp://www.atnf.csiro.auhttp://www.atnf.csiro.auhttp://www.csiro.au/sciencehttp://www.csiro.au/science
www.atnf.csiro.au/~rgoochwww.atnf.csiro.au/~rgooch
Hierarchical Weight Structure
www.atnf.csiro.au/computingwww.atnf.csiro.au/computing
www.atnf.csiro.au/computing/softwarewww.atnf.csiro.au/computing/software
www.atnf.csiro.au/computing/software/smongowww.atnf.csiro.au/computing/software/smongo
The factor ω is defined as:
◦ Index(p) is a boolean value denoting whether the page is an index page.
◦ Link(P) is define as the percentage of the inlinks of Page P
Reference: G. Xue, Q. Yang, H. Zeng, Y. Yu, Z. Chen: Exploiting the Hierarchical Structure for
Link Analysis. In: Proceedings of SIGIR2005
TitleTitle
H1H1
H2H2
H1H1
Dividing the page based on DOM tree structure.
Filtering divided parts
S. Bao, H. Duan, Q. Zhou, M. Xiong, Y. Cao and Y. Yu: Research on Expert Search at Enterprise Track
of TREC 2006. In: proceedings of 15th Text Retrieval Conference (TREC 2006), 2006.
au
csiro
atnf ffp
atoa vo
www
reprints
emCutting Level
Expert
Rank
Expert
Rank
Topic Sensitiv
e
Topic Sensitiv
e
Some anti-spam format
[email protected]@noble.org
[email protected]@csiro.au
[email protected]@csiro.au
[email protected]@dem.csiro.au
Emails with single letter in
its person name part
VisualPageRank◦ Too simple: Too complicated:
Example of Expert Homepage