7285 search results - page 1240 / 1457 » On Challenges for Information Management Technology |
148
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DOLAP
1999
ACM
15 years 11 months ago
1999
ACM
OLAP systems support data analysis through a multidimensional data model, according to which data facts are viewed as points in a space of application-related dimensions", or...
163
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SIGIR
1999
ACM
15 years 11 months ago
1999
ACM
Human-quality text summarization systems are di cult to design, and even more di cult to evaluate, in part because documents can di er along several dimensions, such as length, wri...
211
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SIGIR
1999
ACM
15 years 11 months ago
1999
ACM
There has been much recent interest in retrieval of time series data. Earlier work has used a fixed similarity metric (e.g., Euclidean distance) to determine the similarity betwee...
178
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SIGIR
1999
ACM
15 years 11 months ago
1999
ACM
A content-based retrieval model for tackling the mismatch problems specific to music data is proposed and implemented. The system uses a pitch profile encoding for queries in any ...
181
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SIGIR
1999
ACM
15 years 11 months ago
1999
ACM
We present three distributed algorithms to build global inverted files for very large text collections. The distributed environment we use is a high bandwidth network of workstati...