Search the World's Largest Database of Information Science & Technology Terms & Definitions
InfInfoScipedia LogoScipedia
A Free Service of IGI Global Publishing House
Below please find a list of definitions for the term that
you selected from multiple scholarly research resources.

What is Ranking Function

Chapter 198
Encyclopedia of Artificial Intelligence
A function ? on a field of propositions A over a set of worlds W into the natural numbers extended by 8, ?: A ? N?{8}, is a (finitely minimitive) ranking function on A if and only if for all propositions A, B in A: ?(W) = 0, ?(Ø) = 8, ?(A?B) = min{?(A), ?(B)}.
Published in Chapter:
Ranking Functions
Franz Huber (California Institute of Technology, USA)
Copyright: © 2009 |Pages: 5
DOI: 10.4018/978-1-59904-849-9.ch198
Abstract
Ranking functions have been introduced under the name of ordinal conditional functions in Spohn (1988; 1990). They are representations of epistemic states and their dynamics. The most comprehensive and up to date presentation is Spohn (manuscript).
Full Text Chapter Download: US $37.50 Add to Cart
More Results
Chapter 3
From Tf-Idf to Learning-to-Rank: An Overview
Given a document representation and a query representation, a ranking function predicts a relevance score (usually real number) for the document with respect to the query.
Published in Chapter: From Tf-Idf to Learning-to-Rank: An Overview; From: Handbook of Research on Innovations in Information Retrieval, Analysis, and Management
Full Text Chapter Download: US $37.50 Add to Cart
eContent Pro Discount Banner
InfoSci OnDemandECP Editorial ServicesAGOSR