Search Results for author: Mark Levene

Found 7 papers, 3 papers with code

Incorporating Dictionaries into a Neural Network Architecture to Extract COVID-19 Medical Concepts From Social Media

no code implementations5 Sep 2023 Abul Hasan, Mark Levene, David Weston

A major difficulty in medical concept extraction is obtaining labelled data from which to build supervised models.

Monitoring Covid-19 on social media using a novel triage and diagnosis approach

no code implementations22 Mar 2021 Abul Hasan, Mark Levene, David Weston, Renate Fromson, Nicolas Koslover, Tamara Levene

An unsupervised rule-based algorithm is then applied to establish relations between concepts in the next step of the pipeline.

BIG-bench Machine Learning

Supervised Phrase-boundary Embeddings

1 code implementation15 Feb 2020 Manni Singh, David Weston, Mark Levene

We propose a new word embedding model, called SPhrase, that incorporates supervised phrase information.

Word Embeddings

Market Trend Prediction using Sentiment Analysis: Lessons Learned and Paths Forward

1 code implementation13 Mar 2019 Andrius Mudinas, Dell Zhang, Mark Levene

Financial market forecasting is one of the most attractive practical applications of sentiment analysis.

Sentiment Analysis

Empirical Survival Jensen-Shannon Divergence as a Goodness-of-Fit Measure for Maximum Likelihood Estimation and Curve Fitting

1 code implementation28 Sep 2018 Mark Levene, Aleksejus Kononovicius

We demonstrate, via a straightforward procedure making use of the ${\cal E}SJS$, that it can be used as part of maximum likelihood estimation or curve fitting as a measure of goodness-of-fit, including the construction of a confidence interval for the fitted parametric distribution.

Methodology Data Analysis, Statistics and Probability Statistical Finance

Bootstrap Domain-Specific Sentiment Classifiers from Unlabeled Corpora

no code implementations TACL 2018 Andrius Mudinas, Dell Zhang, Mark Levene

There is often the need to perform sentiment classification in a particular domain where no labeled document is available.

Clustering General Classification +4

The Anatomy of a Search and Mining System for Digital Archives

no code implementations23 Mar 2016 Martyn Harris, Mark Levene, Dell Zhang, Dan Levene

Samtla (Search And Mining Tools with Linguistic Analysis) is a digital humanities system designed in collaboration with historians and linguists to assist them with their research work in quantifying the content of any textual corpora through approximate phrase search and document comparison.

Anatomy Language Modelling +1

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