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ICDE
2010
IEEE
568views Database» more  ICDE 2010»
16 years 6 months ago
Reverse Top-k Queries
Rank-aware query processing has become essential for many applications that return to the user only the top-k objects based on the individual user's preferences. Top-k queries...
Akrivi Vlachou, Christos Doulkeridis, Kjetil N&osl...
184
Voted
PEPM
2010
ACM
16 years 3 months ago
Optimizing relational algebra operations using generic equivalence discriminators and lazy products
We show how to efficiently evaluate generic map-filter-product queries, generalizations of select-project-join (SPJ) queries in relational algebra, based on a combination of two...
Fritz Henglein
ACSAC
2009
IEEE
16 years 1 months ago
Detecting Software Theft via System Call Based Birthmarks
—Along with the burst of open source projects, software theft (or plagiarism) has become a very serious threat to the healthiness of software industry. Software birthmark, which ...
Xinran Wang, Yoon-chan Jhi, Sencun Zhu, Peng Liu
203
Voted
CCS
2009
ACM
16 years 1 months ago
Behavior based software theft detection
Along with the burst of open source projects, software theft (or plagiarism) has become a very serious threat to the healthiness of software industry. Software birthmark, which re...
Xinran Wang, Yoon-chan Jhi, Sencun Zhu, Peng Liu
CIDM
2009
IEEE
16 years 1 months ago
Evolving decision trees using oracle guides
—Some data mining problems require predictive models to be not only accurate but also comprehensible. Comprehensibility enables human inspection and understanding of the model, m...
Ulf Johansson, Lars Niklasson