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SIGIR
2011
ACM
12 years 10 months ago
2011
ACM
Pseudo-relevance feedback has proven effective for improving the average retrieval performance. Unfortunately, many experiments have shown that although pseudo-relevance feedback...
Publication
Non-negative matrix factorization (NMF) has become a standard tool in data mining, information retrieval, and signal processing. It is used to factorize a non-negative data matrix ...
SIGCSE
2012
ACM
2012
ACM
Understanding the tenets of agile software engineering: lecturing, exploration and critical thinking
12 years 3 months ago
The use of agile principles and practices in software development is becoming a powerful force in today’s workplace. In our quest to develop better products, therefore, it is im...
WSDM
2012
ACM
12 years 3 months ago
2012
ACM
Recent research has made significant advances in automatically constructing knowledge bases by extracting relational facts (e.g., Bill Clinton-presidentOf-US) from large text cor...
SIGIR
2012
ACM
11 years 10 months ago
2012
ACM
Positional ranking functions, widely used in web search engines, improve result quality by exploiting the positions of the query terms within documents. However, it is well known ...