Search Results - "Term weighting"

Journal Article

Using modified term frequency to improve term weighting for text classification

by Chen, Long Jiang, Liangxiao Li, Chaoqun Published in Engineering applications of artificial intelligence (01.05.2021)

“...Text classification (TC) is an essential task of natural language processing (NLP). In order to improve the performance of TC, term weighting is often used to...”

Journal Article

Thirty Years of Prospect Theory in Economics: A Review and Assessment

by Nicholas C. Barberis Published in The Journal of economic perspectives (01.01.2013)

“...In 1979, Daniel Kahneman and Amos Tversky, published a paper in Econometrica titled “Prospect Theory: An Analysis of Decision under Risk.” The paper presented...”

Fulltext

Journal Article

Several alternative term weighting methods for text representation and classification

by Tang, Zhong Li, Wenqiang Li, Yan Zhao, Wu Li, Song Published in Knowledge-based systems (05.11.2020)

“...Text representation is one kind of hot topics which support text classification (TC) tasks. It has a substantial impact on the performance of TC. Although the...”

Journal Article

Entropy Balancing for Causal Effects: A Multivariate Reweighting Method to Produce Balanced Samples in Observational Studies

by Hainmueller, Jens Published in Political analysis (20120000)

“...This paper proposes entropy balancing, a data preprocessing method to achieve covariate balance in observational studies with binary treatments. Entropy...”

Journal Article

Modified DFS-based term weighting scheme for text classification

by Chen, Long Jiang, Liangxiao Li, Chaoqun Published in Expert systems with applications (15.04.2021)

“...With the rapid growth of textual data on the Internet, text classification (TC) has attracted increasing attention. As a widely used text representation...”

Journal Article

When Is a Liability Not a Liability? Textual Analysis, Dictionaries, and 10-Ks

by TIM LOUGHRAN BILL MCDONALD Published in The Journal of finance (New York) (01.02.2011)

“...Previous research uses negative word counts to measure the tone of a text. We show that word lists developed for other disciplines misclassify common words in...”

Fulltext

Journal Article

A novel semantic smoothing kernel for text classification with class-based weighting

by Altınel, Berna Diri, Banu Ganiz, Murat Can Published in Knowledge-based systems (01.11.2015)

“...In this study, we propose a novel methodology to build a semantic smoothing kernel to use with Support Vector Machines (SVM) for text classification. The...”

Journal Article

Class-indexing-based term weighting for automatic text classification

by Ren, Fuji Sohrab, Mohammad Golam Published in Information sciences (01.07.2013)

“...Most of the previous studies related on different term weighting emphasize on the document-indexing-based and four fundamental information elements-based...”

Journal Article

A Representative Democracy to Reduce Interdependency in a Multimodel Ensemble

by Benjamin M. Sanderson Reto Knutti Peter Caldwell Published in Journal of climate (01.07.2015)

“...The collection of Earth system models available in the archive of phase 5 of CMIP (CMIP5) represents, at least to some degree, a sample of uncertainty of...”

Journal Article

Matching Methods for Causal Inference: A Review and a Look Forward

by Elizabeth A. Stuart Published in Statistical science (01.02.2010)

“...When estimating causal effects using observational data, it is desirable to replicate a randomized experiment as closely as possible by obtaining treated and...”

Fulltext

Journal Article

Challenges in Combining Projections from Multiple Climate Models

by Reto Knutti Reinhard Furrer Claudia Tebaldi Jan Cermak Gerald A. Meehl Published in Journal of climate (15.05.2010)

“...Recent coordinated efforts, in which numerous general circulation climate models have been run for a common set of experiments, have produced large datasets of...”

Journal Article

DEPRESSION BABIES: DO MACROECONOMIC EXPERIENCES AFFECT RISK TAKING?

by Ulrike Malmendier Stefan Nagel Published in The Quarterly journal of economics (01.02.2011)

“...We investigate whether individual experiences of macroeconomic shocks affect financial risk taking, as often suggested for the generation that experienced the...”

Fulltext

Journal Article

A Novel Term_Class Relevance Measure for Text Categorization

by Guru, D.S Suhil, Mahamad Published in Procedia computer science (2015)

“...In this paper, we introduce a new measure called Term_Class relevance to compute the relevancy of a term in classifying a document into a particular class. The...”

Fulltext

Journal Article

A distance-based framework for measuring functional diversity from multiple traits

by Etienne Laliberte Pierre Legendre Published in Ecology (Durham) (01.01.2010)

“...A new framework for measuring functional diversity (FD) from multiple traits has recently been proposed. This framework was mostly limited to quantitative...”

Fulltext

Journal Article

Demystifying Double Robustness: A Comparison of Alternative Strategies for Estimating a Population Mean from Incomplete Data

by Joseph D. Y. Kang Joseph L. Schafer Published in Statistical science (01.11.2007)

“...When outcomes are missing for reasons beyond an investigator's control, there are two different ways to adjust a parameter estimate for covariates that may be...”

Fulltext

Journal Article

Synonyms Based Term Weighting Scheme: An Extension to TF.IDF

by Kumari, Madhu Jain, Akshat Bhatia, Ankit Published in Procedia computer science (2016)

“...Information retrieval is pivotal task in any web search and navigation on World Wide Web. Therefore effective document retrieval techniques can affect not only...”

Fulltext

Journal Article

A Theory of Unconscious Thought

by Ap Dijksterhuis Loran F. Nordgren Published in Perspectives on psychological science (01.06.2006)

“...We present a theory about human thought named the unconscious-thought theory (UTT). The theory is applicable to decision making, impression formation, attitude...”

Fulltext

Narrow search