نتایج جستجو برای: khoys expansion

تعداد نتایج: 141016  

2005
Mirna Adriani A. Framadhan

We present a report on our participation in the English-Indonesian image adhoc task of the 2005 Cross-Language Evaluation Forum (CLEF). We chose to translate the Indonesian query set into English using a commercial machine translation tool called Transtool. We show that some improvement in retrieval effectiveness can be obtained using a query expansion technique. We used an approach that combin...

Journal: :Applied Mathematics and Computation 2010
Cheng-shi Liu

The generalized Taylor expansion including a secret auxiliary parameter h which can control and adjust the convergence region of the series is the foundation of the homotopy analysis method proposed by Liao. The secret of h can’t be understood in the frame of the homotopy analysis method. This is a serious shortcoming of Liao’s method. We solve the problem. Through a detailed study of a simple ...

Journal: :Experimental Mathematics 2008
Manuel Kauers Doron Zeilberger

We consider some multivariate rational functions which have (or are conjectured to have) only positive coefficients in their series expansion. We consider an operator that preserves positivity of series coefficients, and apply the inverse of this operator to the rational functions. We obtain new rational functions which seem to have only positive coefficients, whose positivity would imply posit...

2002
Kazem Taghva Thomas A. Nartker Julie Borsack Allen Condit

In this paper, we report on a series of experiments involving feedback and query expansion. We conclude that query expansion using manually assigned keywords has no advantage over expansion using terms from the text of the document.

2000
Christopher K. Allen

We consider halo formation in continuous beams oscillating at natural modes by inspecting particle trajectories. Trajectory equations containing field nonlinearities are derived from a weighted polynomial expansion. We then use perturbational techniques to further analyze particle motion.

2013
Peilin Yang Hui Fang

In this paper we describe our efforts for TREC 2013 Web track. We focus on evaluating the effectiveness of axiomatic retrieval model on large data collection. Axiomatic approach basically searches for the retrieval functions that satisfy some reasonable retrieval constraints. We also evaluate the semantic term matching method which does the query expansion by choosing the semantically related t...

2008
Nejat T. Yılmaz

The projection conditions for the quotient gauge theory of the D-brane world volume theory are studied for C/Z3 × Z3.The series expansion solutions which satisfy these conditions are constructed and they are shown to be incompatible with the F-flatness conditions for the discrete torsion case.

Journal: :CoRR 2016
Kalpana Raja Andrew J. Sauer Ravi Prakash Garg Melanie R. Klerer Siddhartha R. Jonnalagadda

s prominently include information that is relevant to the population group of interest, and intervention, comparison and disease of interest. The vector space model further measures the similarity between the query and citation based on concepts (as opposed to just terms or words themselves).

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