Evaluating Top-k Algorithms with Various Sources of Data and User Preferences
9th International Conference on Flexible Query Answering Systems (FQAS 2011), Ghent, Belgium, 26 - 28 October 2011, vol.7022, pp.258-269, (Full Text)
- Publication Type: Conference Paper / Full Text
- Volume: 7022
- City: Ghent
- Country: Belgium
- Page Numbers: pp.258-269
- Middle East Technical University Affiliated: No
Abstract
Our main motivation is the data access model and aggregation algorithm for middleware by R. Fagin, A. Lotem and M. Naor. They assume data attributes in a variety of repositories ordered by a grade of attribute values of objects. Moreover they assume the user has an aggregation function, which eventually qualifies an object to top-k answers.