Pyry-Antti Siitari

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Acknowledgements: We would like to thank Prof. Jose Dulá for useful discussions and providing us with the data files we used in our performance tests. ABSTRACT In this paper, we propose the use of lexicographic parametric programming to recognize efficient units in Data Envelopment Analysis (DEA). By using the parameterization of the rhs-vector of the(More)
—The use of domain knowledge is generally found to improve query efficiency in content filtering applications. In particular, tangible benefits have been achieved when using knowledge-based approaches within more specialized fields, such as medical free texts or legal documents. However, the problem is that sources of domain knowledge are time-consuming to(More)
Most of the existing information retrieval systems are based on bag-of-words model and are not equipped with common world knowledge. Work has been done towards improving the efficiency of such systems by using intelligent algorithms to generate search queries, however, not much research has been done in the direction of incorporating human-and-society level(More)
Acknowledgements: We would like to thank Prof. Jose Dulá for useful discussions and providing us with the data files we used in our performance tests. We also thank Dr. Victor Podinovski and Ms. Luiza Badin for their useful comments 2 ABSTRACT In this paper, we propose the use of a dimensional decomposition procedure together with lexicographic parametric(More)
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