The solution of single-objective unit commitment problems for generation companies participating in deregulated markets may not directly be implementable mainly because of neglecting some conflicting secondary objectives arising from policy-making at internal/external environment. Benefiting an efficient multi-objective approach to improve the applicability of price-based unit commitment soluti...

Abstract Community Question Answering (CQA) systems is an emerging web-based information service. CQA enables web users to get precise answers questions from experts of the specific domain.CQA used in wide areas such as biomedicine, technology, tourism, etc. This paper focused on finding community question answering system using unsupervised machine learning technique. Our Proposed consists thr...

We present a set of problem frames specialized to the area of geographic applications. Problem frames describe the elements of common problems, and help a specifier understand and decompose a complex problem into simpler subproblems for which a solution is often known. We provide an overview of the main issues in geographic applications, and present twelve frames that address many of the proble...