Information Systems (TOIS)


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ACM Transactions on Information Systems (TOIS), Volume 19 Issue 4, October 2001

Application of aboutness to functional benchmarking in information retrieval
Kam-Fai Wong, Dawei Song, Peter Bruza, Chun-Hung Cheng
Pages: 337-370
DOI: 10.1145/502795.502796
Experimental approaches are widely employed to benchmark the performance of an information retrieval (IR) system. Measurements in terms of recall and precision are computed as performance indicators. Although they are good at assessing the retrieval...

Computing graphical queries over XML data
Sara Comai, Ernesto Damiani, Piero Fraternali
Pages: 371-430
DOI: 10.1145/502795.502797
The rapid evolution of XML from a mere data exchange format to a universal syntax for encoding domain-specific information raises the need for new query languages specifically conceived to address the characteristics of XML. Such languages should be...

Genre taxonomy: A knowledge repository of communicative actions
Takeshi Yoshioka, George Herman, JoAnne Yates, Wanda Orlikowski
Pages: 431-456
DOI: 10.1145/502795.502798
We propose a genre taxonomy as a knowledge repository of communicative structures or "typified actions" enacted by organizational members. The genre taxonomy is intended to help people make sense of diverse types of communicative actions and provide...