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PAMI
2011
15 years 1 months ago
View-Independent Action Recognition from Temporal Self-Similarities
— This paper addresses recognition of human actions under view changes. We explore self-similarities of action sequences over time and observe the striking stability of such meas...
Imran N. Junejo, Emilie Dexter, Ivan Laptev, Patri...
PPDP
2010
Springer
15 years 4 months ago
Precise complexity analysis for efficient datalog queries
Given a set of Datalog rules, facts, and a query, answers to the query can be inferred bottom-up starting with the facts or top-down starting with the query. For efficiently answe...
K. Tuncay Tekle, Yanhong A. Liu
CIKM
2009
Springer
16 years 1 months ago
Inverted indexes vs. bitmap indexes in decision support systems
Bitmap indexes are widely used in Decision Support Systems (DSSs) to improve query performance. In this paper, we evaluate the use of compressed inverted indexes with adapted quer...
Truls A. Bjørklund, Nils Grimsmo, Johannes ...
CIKM
2008
Springer
15 years 8 months ago
Energy-efficient skyline query processing and maintenance in sensor networks
The skyline query, as an important operator in databases for multi-preference analysis and decision making, has received much attention recently due to its wide application backgr...
Weifa Liang, Baichen Chen, Jeffrey Xu Yu
CIKM
2008
Springer
15 years 8 months ago
The patent mining task in the seventh NTCIR workshop
This paper introduces the Patent Mining Task of the Seventh NTCIR Workshop and the test collections produced in this task. The task's goal was the classification of research ...
Hidetsugu Nanba, Atsushi Fujii, Makoto Iwayama, Ta...