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CIKM
2011
Springer
13 years 11 months ago
Lower-bounding term frequency normalization
In this paper, we reveal a common deficiency of the current retrieval models: the component of term frequency (TF) normalization by document length is not lower-bounded properly;...
Yuanhua Lv, ChengXiang Zhai
VISUALIZATION
2000
IEEE
15 years 3 months ago
Isosurfacing in higher dimensions
Visualization algorithms have seen substantial improvements in the past several years. However, very few algorithms have been developed for directly studying data in dimensions hi...
Praveen Bhaniramka, Rephael Wenger, Roger Crawfis
VLDB
1998
ACM
112views Database» more  VLDB 1998»
15 years 3 months ago
Incremental Clustering for Mining in a Data Warehousing Environment
Data warehouses provide a great deal of opportunities for performing data mining tasks such as classification and clustering. Typically, updates are collected and applied to the d...
Martin Ester, Hans-Peter Kriegel, Jörg Sander...
FAST
2007
15 years 18 days ago
AMP: Adaptive Multi-stream Prefetching in a Shared Cache
Abstract— Prefetching is a widely used technique in modern data storage systems. We study the most widely used class of prefetching algorithms known as sequential prefetching. Th...
Binny S. Gill, Luis Angel D. Bathen
AI
1999
Springer
14 years 10 months ago
Introspective Multistrategy Learning: On the Construction of Learning Strategies
A central problem in multistrategy learning systems is the selection and sequencing of machine learning algorithms for particular situations. This is typically done by the system ...
Michael T. Cox, Ashwin Ram