2026-09-19T02:39:02Z https://www.ideals.illinois.edu/oai-pmh

oai:www.ideals.illinois.edu:2142/14661 2023-07-10 col_2142_5131 col_2142_10761 com_2142_5130 com_2142_10755 com_2142_234

Han, Jiawei Han, Jiawei Yin, Zhijun 2010-01-06T16:20:44Z 2010-01-06T16:20:44Z 2010-01-06T16:20:44Z We study web object classification problem with the novel exploration of social tags. Automatically classifying web objects into manageable semantic categories has long been a fundamental preprocess for indexing, browsing, searching, and mining these objects. The explosive growth of heterogeneous web objects, especially non-textual objects such as products, pictures, and videos, has made the problem of web classification increasingly challenging. Such objects often suffer from a lack of easy-extractable features with semantic information, interconnections between each other, as well as training examples with category labels. In our study, we explore the social tagging data to bridge this gap. We cast web object classification problem as an optimization problem on a graph of objects and tags. We then propose an efficient algorithm which not only utilizes social tags as enriched semantic features for the objects, but also infers the categories of unlabeled objects from both homogeneous and heterogeneous labeled objects, through the implicit connection of social tags. Experiment results show that the exploration of social tags effectively boosts web object classification. Our algorithm significantly outperforms the state-of-the-art of general classification methods. 2009-12 Item withdrawn by Mark Zulauf (zulauf@illinois.edu) on 2009-11-16T17:12:41Z Item was in collections: University of Illinois Theses & Dissertations (ID: 1) No. of bitstreams: 1 Yin_Zhijun.pdf: 906018 bytes, checksum: 261fa2eef7e1e87375c67631c78df747 (MD5) Made available in DSpace on 2010-01-06T16:20:44Z (GMT). No. of bitstreams: 2 license.txt: 4057 bytes, checksum: b03bff692d84f5c1835a12628a0dc988 (MD5) Yin_Zhijun.pdf: 906018 bytes, checksum: 261fa2eef7e1e87375c67631c78df747 (MD5) http://hdl.handle.net/2142/14661 en Copyright 2009 Zhijun Yin Web classification Social tagging Optimization Exploring social tagging graph for web object classification Computer Science 1434 Computer Science 0112 University of Illinois at Urbana-Champaign Thesis M.S. PHD:Computer Science -UIUC 10KS0112PHD