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ACM Computing Surveys (CSUR), Volume 34 Issue 1, March 2002

Machine learning in automated text categorization
Fabrizio Sebastiani
Pages: 1-47
DOI: 10.1145/505282.505283
The automated categorization (or classification) of texts into predefined categories has witnessed a booming interest in the last 10 years, due to the increased availability of documents in digital form and the ensuing need to organize them. In the...

Building efficient and effective metasearch engines
Weiyi Meng, Clement Yu, King-Lup Liu
Pages: 48-89
DOI: 10.1145/505282.505284
Frequently a user's information needs are stored in the databases of multiple search engines. It is inconvenient and inefficient for an ordinary user to invoke multiple search engines and identify useful documents from the returned results. To...

Spoken dialogue technology: enabling the conversational user interface
Michael F. McTear
Pages: 90-169
DOI: 10.1145/505282.505285
Spoken dialogue systems allow users to interact with computer-based applications such as databases and expert systems by using natural spoken language. The origins of spoken dialogue systems can be traced back to Artificial Intelligence research in...