787 search results - page 38 / 158 » A College Course: Data Quality in Information Systems |
143
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SIGIR
2005
ACM
15 years 11 months ago
2005
ACM
We describe a user study that examined the relationship between the quality of an Information Retrieval system and the effectiveness of its users in performing a task. The task i...
145
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SIGCSE
2006
ACM
16 years 4 days ago
2006
ACM
The paper describes the first version of the TextMOLE (Text Mining Operations Library and Environment) system for textual data mining. Currently TextMOLE acts as an advanced inde...
168
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GLOBECOM
2009
IEEE
15 years 10 months ago
2009
IEEE
In this paper, cognitive transmission under quality of service (QoS) constraints is studied. In the cognitive radio channel model, it is assumed that the secondary transmitter sen...
171
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CIKM
1994
Springer
15 years 10 months ago
1994
Springer
may be saved for later reuse of material, but also to preserve the historical perspective of work done [ha:92]. In particular, in distributed and collaborative hypertext systems, v...
172
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DILS
2005
Springer
15 years 11 months ago
2005
Springer
For execution of complex biological queries, data integration systems often use several intermediate data sources because the domain coverage of individual sources is limited. Qual...