318 search results - page 52 / 64 » Preimage Relations and Their Matrices |
EPIA
2009
Springer
13 years 11 months ago
2009
Springer
Abstract. In this paper we propose an incremental item-based collaborative filtering algorithm. It works with binary ratings (sometimes also called implicit ratings), as it is typi...
APPROX
2006
Springer
13 years 11 months ago
2006
Springer
We prove that any real matrix A contains a subset of at most 4k/ + 2k log(k + 1) rows whose span "contains" a matrix of rank at most k with error only (1 + ) times the er...
PARLE
1994
13 years 11 months ago
1994
Sparse matrix-vector multiplication forms the heart of iterative linear solvers used widely in scientific computations (e.g., finite element methods). In such solvers, the matrix-v...
CEAS
2008
Springer
13 years 9 months ago
2008
Springer
Human interpersonal face-to-face interaction can be considered in terms of successions of speech acts. These are utterances which contain an intention, and the act of creating an ...
AVI
2008
13 years 8 months ago
2008
Programming assignments are easy to plagiarize in such a way as to foil casual reading by graders. Graders can resort to automatic plagiarism detection systems, which can generate...