Results 71 to 80 of about 7,167 (213)

A Word Sense-Oriented User Interface for Interactive Multilingual Text Retrieval [PDF]

open access: yes, 2011
In this paper we present an interface for supporting a user in an interactive cross-language search process using semantic classes. In order to enable users to access multilingual information, different problems have to be solved: disambiguating and ...
DeLuca, Ernesto William   +1 more
core  

Ontology-Aware Token Embeddings for Prepositional Phrase Attachment

open access: yes, 2017
Type-level word embeddings use the same set of parameters to represent all instances of a word regardless of its context, ignoring the inherent lexical ambiguity in language.
Ammar, Waleed   +3 more
core   +1 more source

Building an Arabic Sentiment Lexicon Using Semi-supervised Learning

open access: yesJournal of King Saud University: Computer and Information Sciences, 2014
Sentiment analysis is the process of determining a predefined sentiment from text written in a natural language with respect to the entity to which it is referring. A number of lexical resources are available to facilitate this task in English.
Fawaz H.H. Mahyoub   +2 more
doaj   +1 more source

Transfer Learning‐Based Automatic Sentiment Annotation of a Twitter‐Based Arabic Mental Illness (AMI) Dataset

open access: yesExpert Systems, Volume 42, Issue 10, October 2025.
ABSTRACT Sentiment analysis, crucial for discerning emotional tones in text, relies on manual annotation to train machine learning models and is considered the gold standard for creating annotated corpora. However, this process is time‐consuming, labour‐intensive, and prone to biases. This paper proposes an automatic annotation approach for the Twitter‐
Arwa Diwali   +6 more
wiley   +1 more source

Experiments on applying relaxation labeling to map multilingual hierarchies [PDF]

open access: yes, 1999
This paper explores the automatic construction of a multilingual Lexical Knowledge Base from preexisting lexical resources. This paper presents a new approach for linking already existing hierarchies.
Daude Ventura, Jordi   +2 more
core   +1 more source

Performance Evaluation of Upper‐Level Ontologies in Developing Materials Science Ontologies and Knowledge Graphs

open access: yesAdvanced Engineering Materials, Volume 27, Issue 8, April 2025.
This article provides examples of ontology development in the materials science domain (use‐case of Brinell hardness testing) and gives ontology developers an overview for selecting their desired top‐level ontologies (e.g., BFO, EMMO, PROVO) by considering different evaluation parameters like semantic richness, domain coverage, extensibility ...
Hossein Beygi Nasrabadi   +3 more
wiley   +1 more source

Looking at the Multiple Meanings of Numeracy, Quantitative Literacy, and Quantitative Reasoning

open access: yesNumeracy, 2014
The subject of this journal goes by a variety of names: numeracy, quantitative literacy, and quantitative reasoning. Some authors use the terms interchangeably. Others see distinctions between them. Study of psycholinguistic and ontological concepts laid
H.L. Vacher
doaj   +1 more source

A study of query expansion methods for patent retrieval [PDF]

open access: yes, 2011
Patent retrieval is a recall-oriented search task where the objective is to find all possible relevant documents. Queries in patent retrieval are typically very long since they take the form of a patent claim or even a full patent application in the ...
Jones, Gareth J.F., Magdy, Walid
core  

The price impact of tweets: A high‐frequency study

open access: yesFinancial Review, Volume 60, Issue 1, Page 147-171, February 2025.
Abstract We examine the mechanism by which social media sentiment affects stock prices. Specifically, we assess the impact of Twitter feeds on stock returns at the intraday level. We find that an increase in buyer‐initiated trades has a significantly positive price impact.
Ni Yang   +2 more
wiley   +1 more source

Lexical platform – the first step towards user-centred integration of lexical resources

open access: yesCognitive Studies | Études cognitives, 2018
Lexical platform – the first step towards user-centred integration of lexical resources Lexical platform – the first step towards user-centred integration of lexical resources The paper describes the Lexical Platform - a means for lightweight ...
Maciej Piasecki   +3 more
doaj   +1 more source

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