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» Effect of segmentation method on video retrieval performance
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ISMIR
2005
Springer
165views Music» more  ISMIR 2005»
15 years 3 months ago
Using a Pitch Detector for Onset Detection
A segmentation strategy is explored for monophonic instrumental pitched non-percussive material (PNP) which proceeds from the assertion that human-like event analysis can be found...
Nick Collins
SIGMOD
2007
ACM
229views Database» more  SIGMOD 2007»
15 years 10 months ago
Spark: top-k keyword query in relational databases
With the increasing amount of text data stored in relational databases, there is a demand for RDBMS to support keyword queries over text data. As a search result is often assemble...
Yi Luo, Xuemin Lin, Wei Wang 0011, Xiaofang Zhou
ECML
2006
Springer
15 years 1 months ago
Cost-Sensitive Learning of SVM for Ranking
Abstract. In this paper, we propose a new method for learning to rank. `Ranking SVM' is a method for performing the task. It formulizes the problem as that of binary classific...
Jun Xu, Yunbo Cao, Hang Li, Yalou Huang
ICDE
2008
IEEE
161views Database» more  ICDE 2008»
15 years 11 months ago
Convoy Queries in Spatio-Temporal Databases
We introduce a convoy query that retrieves all convoys from historical trajectories, each of which consists of a set of objects that travelled closely during a certain time period....
Hoyoung Jeung, Heng Tao Shen, Xiaofang Zhou
MM
2005
ACM
134views Multimedia» more  MM 2005»
15 years 3 months ago
Formulating context-dependent similarity functions
Tasks of information retrieval depend on a good distance function for measuring similarity between data instances. The most effective distance function must be formulated in a con...
Gang Wu, Edward Y. Chang, Navneet Panda