Zobrazeno 1 - 10
of 221
pro vyhledávání: '"Evans, Lewis"'
Publikováno v:
Multimed Tools Appl 78, 2019
There is a general consensus of the good sensing and novelty characteristics of Twitter as an information media for the complex financial market. This paper investigates the permeability of Twittersphere, the total universe of Twitter users and their
Externí odkaz:
http://arxiv.org/abs/2312.11530
Autor:
Evans, Lewis Percival Gordon
Object classification by learning from data is a vast area of statistics and machine learning. Within classification, unlabelled data may be plentiful, allowing a few objects to be chosen for labelling by an expert. Systematically choosing these few
Externí odkaz:
http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.684348
Publikováno v:
In Expert Systems With Applications 15 April 2021 168
A central question for active learning (AL) is: "what is the optimal selection?" Defining optimality by classifier loss produces a new characterisation of optimal AL behaviour, by treating expected loss reduction as a statistical target for estimatio
Externí odkaz:
http://arxiv.org/abs/1502.01664
Active Learning (AL) methods seek to improve classifier performance when labels are expensive or scarce. We consider two central questions: Where does AL work? How much does it help? To address these questions, a comprehensive experimental simulation
Externí odkaz:
http://arxiv.org/abs/1408.1319
In many classification problems unlabelled data is abundant and a subset can be chosen for labelling. This defines the context of active learning (AL), where methods systematically select that subset, to improve a classifier by retraining. Given a cl
Externí odkaz:
http://arxiv.org/abs/1407.8042
Publikováno v:
In Expert Systems With Applications 1 August 2019 127:353-369
Publikováno v:
The Canadian Journal of Economics / Revue canadienne d'Economique, 2003 May 01. 36(2), 463-474.
Externí odkaz:
https://www.jstor.org/stable/3131852