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KDD
2009
ACM
221views Data Mining» more  KDD 2009»
14 years 10 months ago
Migration motif: a spatial - temporal pattern mining approach for financial markets
A recent study by two prominent finance researchers, Fama and French, introduces a new framework for studying risk vs. return: the migration of stocks across size-value portfolio ...
Xiaoxi Du, Ruoming Jin, Liang Ding, Victor E. Lee,...
KDD
2009
ACM
223views Data Mining» more  KDD 2009»
14 years 10 months ago
Collaborative filtering with temporal dynamics
Customer preferences for products are drifting over time. Product perception and popularity are constantly changing as new selection emerges. Similarly, customer inclinations are ...
Yehuda Koren
TIP
2010
138views more  TIP 2010»
13 years 8 months ago
Motion Tuned Spatio-Temporal Quality Assessment of Natural Videos
—There has recently been a great deal of interest in the development of algorithms that objectively measure the integrity of video signals. Since video signals are being delivere...
Kalpana Seshadrinathan, Alan C. Bovik
SIGMOD
2004
ACM
126views Database» more  SIGMOD 2004»
14 years 10 months ago
Indexing Spatio-Temporal Trajectories with Chebyshev Polynomials
In this paper, we attempt to approximate and index a ddimensional (d 1) spatio-temporal trajectory with a low order continuous polynomial. There are many possible ways to choose ...
Yuhan Cai, Raymond T. Ng
ICDE
1993
IEEE
158views Database» more  ICDE 1993»
14 years 2 months ago
Unification of Temporal Data Models
To add time su port to the relational model, both first normal form (fNF and non-INF appmches have maining within 1NF when time support is added may introduce data redundancy. The...
Christian S. Jensen, Michael D. Soo, Richard T. Sn...