143 search results - page 7 / 29 » On the structure of some phase retrieval algorithms |
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
Sparse representations over redundant dictionaries offer an efficient paradigm for signal representation. Recently block-sparsity has been put forward as a prior condition for so...
WSDM
2010
ACM
14 years 4 months ago
2010
ACM
While test collection construction is a time-consuming and expensive process, the true cost is amortized by reusing the collection over hundreds or thousands of experiments. Some ...
SIGIR
2005
ACM
14 years 29 days ago
2005
ACM
This paper proposes GBM (gravitation-based model), a physical model for information retrieval inspired by Newton’s theory of gravitation. A mapping is built in this model from c...
SIGIR
2009
ACM
14 years 1 months ago
2009
ACM
When search is against structured documents, it is beneficial to extract information from user queries in a format that is consistent with the backend data structure. As one step...
CIKM
2011
Springer
12 years 7 months ago
2011
Springer
Large knowledge bases consisting of entities and relationships between them have become vital sources of information for many applications. Most of these knowledge bases adopt the...