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Topic: information retrieval by topic
topics >
computer science >
information >
full-text indexing
Topic:
information retrieval by cross reference
Topic:
information retrieval by following links
Topic:
information retrieval by location
Topic:
information retrieval by searching
Topic:
non-hierarchical classification and multiple classification
Topic:
personal information
Topic:
hypertext as external memory
Topic:
problem of classifying information
Topic:
searching hypertext
Summary
Topics help organize information. Topics may be classified hierarchically. Users may monitor a topic or contribute to a newsgroup on a topic.Hubs and authorities are Web pages with many outgoing links or Web pages with many incoming links from hubs.
Items may be assigned to topics automatically, but topics are subjective. (cbb 10/07)
Subtopic: automatic categorization
Quote: InformationLens includes a hierarchical topic network for grouping messages [»maloTW4_1987]
Subtopic: hubs and authorities
Quote: automatic categorization of search results by a small model of queries and a large, domain-specific terminology model; DynaCat for medicine [»pratW7_1999] Quote: nine query types for frequently-asked medical questions; e.g., treatment-problems and problem-preventive-actions [»pratW7_1999] Quote: assign a category type for each query type; assign medical semantic types to category types; e.g., 'headache' to 'problems'; use common parent for sub-groups [»pratW7_1999] Quote: compared automatic categorization to clustering and ranking; more answers, liked better, ranked best [»pratW7_1999] Quote: categorizing information is difficult; systems can help by automatic classification [»maloTW6_1982] Quote: Hypertext may store the content of all contributions on some topic; with automatic ordering of concepts [»loweDG8_1985] Quote: identify communities as bipartite graph of three web pages that all point to the same three other web pages; 95% had a unifying topic [»chakS8_1998]
Subtopic: publish and subscribe by topic
Quote: Clever analyzes hyperlinks to identify authorities on a topic and hubs with links to authorities [»chakS8_1998]
Subtopic: manual message sorting, filing
Quote: review of publish/subscribe; topic, content, or type-based; decouples subscribers and publishers across time, space, and synchronization [»eugsPT6_2003]
Subtopic: e-mail topics
Quote: with human message sorting, Advisor can use fine-grained helpboxes that contain real requests; high-content and worth reading [»boreNS9_1988] Quote: Agenda items tend to be filed in only a few places; why filing cabinets work acceptably [»kaplSJ7_1990] Quote: in writing a book, spreads out chapters and topics around room without labels [»boltRA_1984]
Subtopic: newsgroups
Quote: with electronic mail can discuss a topic with varying breadth, number of users, and duration [»comeDE11_1986]
Subtopic: problems with topics
Quote: with more than 1000 users, a user group can form for any topic; geographically dispersed; profound effect on society [»smitDC_1982]
Quote: the subject similarity among pairs of cited and citing documents is frequently small; they share only one or two topics of the many topics covered by either document
[»hartSP10_1993]
Topic: full-text indexing (37 items)
Topic: information retrieval by cross reference (7 items)
Topic: information retrieval by following links (23 items)
Topic: information retrieval by location (21 items)
Topic: information retrieval by searching (35 items)
Topic: non-hierarchical classification and multiple classification (16 items)
Topic: personal information (41 items)
Topic: hypertext as external memory (24 items)
Topic: problem of classifying information (42 items)
Topic: searching hypertext
(17 items)