Data processing: database and file management or data structures – Database and file access – Preparing data for information retrieval
Reexamination Certificate
2007-05-09
2010-10-19
Breene, John E (Department: 2162)
Data processing: database and file management or data structures
Database and file access
Preparing data for information retrieval
C707S709000, C707S796000, C707S797000, C715S760000, C715S864000, C709S207000, C709S217000, C709S218000, C709S219000
Reexamination Certificate
active
07818330
ABSTRACT:
Described is a technology by which blocks of web pages may be selected, such as for building a user-personalized web page containing selected blocks. A selection mechanism, such as a browser toolbar add-on, provides a user interface for selecting blocks, and records information about selected blocks. A block tracking mechanism (e.g., a daemon program) uses the information to locate selected blocks of the web pages, including when the web page containing the block is updated with respect to content and/or layout. The block tracking mechanism may update a local gadget that when invoked, such as by browsing to a particular web page, which shows updated versions of the block on a personalized web page. Blocks may be efficiently located by processing trees representing web pages into reduced trees, and then by performing a minimum distance mapping algorithm on the reduced trees.
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Chen Zheng
Lin Chenxi
Wang Jian
Wu Min
Zeng Huajun
Breene John E
Ly Anh
Microsoft Corporation
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