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Explicit Semantic Representation

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lightbulbAbout this topic
Explicit Semantic Representation refers to a framework in cognitive science and artificial intelligence that models the meaning of words and concepts through structured, formal representations. It emphasizes the use of explicit, often symbolic, formats to capture the relationships and properties of semantic entities, facilitating understanding and processing of language.
lightbulbAbout this topic
Explicit Semantic Representation refers to a framework in cognitive science and artificial intelligence that models the meaning of words and concepts through structured, formal representations. It emphasizes the use of explicit, often symbolic, formats to capture the relationships and properties of semantic entities, facilitating understanding and processing of language.

Key research themes

1. How can Abstract Meaning Representation (AMR) parsing be efficiently achieved with enhanced accuracy for semantic role and entity recognition?

This line of research focuses on developing computational models and parsing algorithms tailored to Abstract Meaning Representation (AMR), aiming for efficient, accurate parsing that integrates multiple semantic subtasks such as named entity recognition, polarity detection, and semantic role labeling. Efficient AMR parsers are crucial as AMR encodes rich semantic structures that unify several disambiguation tasks, and improvements directly impact downstream NLP tasks like machine translation and information extraction.

Key finding: Introduced a linear-time, left-to-right transition-based AMR parser inspired by the ARCEAGER dependency parsing system, adapting it to handle AMR-specific challenges such as non-projectivity and reentrancy. Demonstrated... Read more
Key finding: Identified node (concept) generation as the primary bottleneck in AMR parsing and proposed a novel action-based approach for generating AMR subgraphs via transformations on textual spans. Their method generalized better than... Read more
Key finding: Developed a joint parsing framework for Universal Dependencies (syntax) and Universal Decompositional Semantics (semantics) using multitask architectures that yielded state-of-the-art results in both syntax and semantics.... Read more

2. What are the comparative linguistic frameworks and theoretical foundations for explicit semantic representations across languages?

This theme collects efforts to survey, compare, and unify various semantic representation frameworks, analyzing their linguistic coverage, theoretical assumptions, and practical annotation schemas. Understanding shared principles and distinct design choices among frameworks like AMR, PropBank, and Universal Dependencies is essential for developing universal or interoperable semantic parsers and evaluating semantic phenomena cross-linguistically.

Key finding: Provided a comprehensive overview of eleven deep-syntactic semantic representation frameworks, highlighting shared core principles such as predicate-argument structures and semantic roles, while documenting differences in... Read more
Key finding: Proposed a theoretical integration uniting formal semantic models based on set-theoretic structures with cognitive semantic representations grounded in mental spaces and conceptual semantics. This theoretical framework... Read more
Key finding: Analyzed limitations of classical intensional semantics in handling fine-grained meaning distinctions and introduced Property Theory with Curry Typing (PTCT) that treats intensional identity via lambda calculus terms,... Read more

3. How can probabilistic and distributional models be adapted to provide explicit semantic representations with formal interpretability and logical inference capability?

This theme explores approaches that combine distributional semantics with formal semantic frameworks to represent word and sentence meanings as functions or classifiers capable of graded truth evaluations. The goal is to integrate the strengths of data-driven vector representations with compositional and logical semantics, enabling more interpretable, flexible, and inference-capable explicit semantic representations.

Key finding: Proposed a semantics in which distributional vector space representations stand for mental concepts linked to the intensions of logical expressions. Addressed the lack of traditional semantic interpretation for distributional... Read more
Key finding: Developed a novel probabilistic framework representing word meanings as semantic functions from entities to truth probabilities, allowing graded applicability and vagueness modeling. Their implementation using Restricted... Read more
Key finding: Systematically developed a framework treating meanings as truth-conditional functions rather than vectors, emphasizing compositionality, vagueness, and grounding. By linking distributional representations to Dependency... Read more

All papers in Explicit Semantic Representation

Search as we know it will change and improve as new and enhanced methodologies to accommodate the ever expanding semantically annotated WorldWide Web will be developed and fruitfully employed. While a lot of basic infrastructure has... more
This paper introduces two important elements of our VNewsQA/ICT system: its semantic models of simple Vietnamese sentences and its semantic processing mechanism. The VNewsQA/ICT is a Vietnamese based Question Answering system which has... more
In the current literature of knowledge management and artificial intelligence, several different approaches to the problem have been carried out of developing domain ontologies from scratch. All these approaches deal fundamentally with... more
This article proposes an architecture to support information and knowledge exchange between collaborating business partners. The focus is on knowledge representation and exchange by intelligent agents to support collaborative business... more
This paper aims to present a new algorithm implemented for detecting plagiarism using semantic web tools and notions. For increasing detection accuracy domain ontology could be used in addition to global semantic resources. Using global... more
The technological pace and the advent of the knowledge society will set in the next years the new context for e-learning evolution: The convergence of learning and daily life of citizens worldwide will be evident in new services and... more
and the transformation of working individually on a project or being part of a specialized team. In academia, this collaborative approach is born from the need for every scholar to define new applications for development within their... more
and the transformation of working individually on a project or being part of a specialized team. In academia, this collaborative approach is born from the need for every scholar to define new applications for development within their... more
Software engineers and programmers will probably find themselves needing to manage multiple versions of their software. This entails, among others, managing source codes, inserting metadata tags for annotation, tracing source changes from... more
In the current literature of knowledge management and artificial intelligence, several different approaches to the problem have been carried out of developing domain ontologies from scratch. All these approaches deal fundamentally with... more
The primary purpose of ontological annotation in Natural Language Processing (NLP) is to make explicit the content of concepts in a domain, using a set of arbitrary tags or labels which must conform to an agreed standard. This method has... more
The increasing volume of data available on the Web makes information retrieval a tedious and difficult task. The vision of the Semantic Web introduces the next generation of the Web by establishing a layer of machine-understandable data... more
Based on the long-standing work of the Global University Alliance and its members, ontology is introduced for the business domain. This 'business ontology' incorporates all the constructs that can be found in the most popular business... more
The development of the Semantic Web, the next-generation Web, greatly relies on the availability of ontologies and powerful annotation tools. However, there is a lack of ontology-based annotation tools for linguistic multimedia data.... more
Software engineers and programmers will probably find themselves needing to manage multiple versions of their software. This entails, among others, managing source codes, inserting metadata tags for annotation, tracing source changes from... more
The Web has been, in the last decades, the place where information retrieval achieved its maximum importance, given its ubiquity and the sheer volume of information. However, its exponential growth made the retrieval task increasingly... more
The development of the Semantic Web, the next-generation Web, greatly relies on the availability of ontologies and powerful annotation tools. However, there is a lack of ontology-based annotation tools for linguistic multimedia data.... more
and the transformation of working individually on a project or being part of a specialized team. In academia, this collaborative approach is born from the need for every scholar to define new applications for development within their... more
This article proposes an architecture to support information and knowledge exchange between collaborating business partners. The focus is on knowledge representation and exchange by intelligent agents to support collaborative business... more
Researchers share large amounts of digital resources, which offer new chances for cooperation. Collaborative annotation systems are meant to support this. Often these systems are targeted at a specific task or domain, e.g., annotation of... more
This article proposes an architecture to support information and knowledge exchange between collaborating business partners. The focus is on knowledge representation and exchange by intelligent agents to support collaborative business... more
We define Semantic eBusiness as “an approach to managing knowledge for coordination of eBusiness processes through the systematic application of Semantic Web technologies.” Advances in Semantic Web-based technologies offer the means to... more
This article proposes an architecture to support information and knowledge exchange between collaborating business partners. The focus is on knowledge representation and exchange by intelligent agents to support collaborative business... more
We define Semantic eBusiness as “an approach to managing knowledge for coordination of eBusiness processes through the systematic application of Semantic Web technologies.” Advances in Semantic Web-based technologies offer the means to... more
This article proposes an architecture to support information and knowledge exchange between collaborating business partners. The focus is on knowledge representation and exchange by intelligent agents to support collaborative business... more
This article proposes an architecture to support information and knowledge exchange between collaborating business partners. The focus is on knowledge representation and exchange by intelligent agents to support collaborative business... more
Meta-reasoning is essential for multi-agent communication. In this paper we propose a framework of multi-agent communication in which agents employ meta-reasoning to reason with agent and ontology locations in order to communicate... more
This article proposes an architecture to support information and knowledge exchange between collaborating business partners. The focus is on knowledge representation and exchange by intelligent agents to support collaborative business... more
This article proposes an architecture to support information and knowledge exchange between collaborating business partners. The focus is on knowledge representation and exchange by intelligent agents to support collaborative business... more
Developing new software based on requirements specifications created by business analysts often leads to misunderstanding and lack of comprehension, because of the different backgrounds of the people involved. If requirements... more
This article proposes an architecture to support information and knowledge exchange between collaborating business partners. The focus is on knowledge representation and exchange by intelligent agents to support collaborative business... more
This article proposes an architecture to support information and knowledge exchange between collaborating business partners. The focus is on knowledge representation and exchange by intelligent agents to support collaborative business... more
This paper introduces two important elements of our VNewsQA/ICT system: its semantic models of simple Vietnamese sentences and its semantic processing mechanism. The VNewsQA/ICT is a Vietnamese based Question Answering system which has... more
Enterprise interoperability is a challenging goal that has many facets, one of which being the need for cooperating enterprises to have a precise understanding of the information that they exchange with each other. Internet Service... more
Software engineers and programmers will probably find themselves needing to manage multiple versions of their software. This entails, among others, managing source codes, inserting metadata tags for annotation, tracing source changes from... more
The threat of imminent extinction of perhaps half of the world's languages has led to increased efforts aimed at the their documentation. Such documentation necessarily makes use of a suite of tools to handle a diverse array of tasks from... more
Taylor and Francis: ***Reprinted with permission. No further reproduction is authorized without written permission from Taylor and Francis. This version of the document is not the version of record. Figures and/or pictures may be missing... more
This paper introduces two important elements of our VNewsQA/ICT system: its semantic models of simple Vietnamese sentences and its semantic processing mechanism. The VNewsQA/ICT is a Vietnamese based Question Answering system which has... more
In recent years, the term "semantics" has been widely used in various fields of research and particularly in areas related to information technology. One of the motivators of such an appropriation is the vision of the Semantic Web, a set... more
We define Semantic eBusiness as “an approach to managing knowledge for coordination of eBusiness processes through the systematic application of Semantic Web technologies.” Advances in Semantic Web-based technologies offer the means to... more
Abstract: There is an increasing interest and effort in preserving and documenting endangered languages. Language data are valuable only when they are well-cataloged, indexed and searchable. Many language data, particularly those of... more
This article proposes an architecture to support information and knowledge exchange between collaborating business partners. The focus is on knowledge representation and exchange by intelligent agents to support collaborative business... more
This article proposes an architecture to support information and knowledge exchange between collaborating business partners. The focus is on knowledge representation and exchange by intelligent agents to support collaborative business... more
This article proposes an architecture to support information and knowledge exchange between collaborating business partners. The focus is on knowledge representation and exchange by intelligent agents to support collaborative business... more
Detecting academic plagiarism is a pressing problem, e.g., for educational and research institutions, funding agencies, and academic publishers. Existing plagiarism detection systems reliably identify copied text, or near copies of text,... more
This paper introduces two important elements of our VNewsQA/ICT system: its semantic models of simple Vietnamese sentences and its semantic processing mechanism. The VNewsQA/ICT is a Vietnamese based Question Answering system which has... more
Traditionally, data used in OLAP (online analytical processing) have been limited to the contents of the data warehouse of a company. However, the needs for analysis are often more demanding and data are needed from different sources. In... more
In the last decade the evolution on educational technologies forced an extraordinary interest in new methods for delivering learning content to learners. The role of technology has often been overestimated causing a myopic consideration... more
In recent years, the term "semantics" has been widely used in various fields of research and particularly in areas related to information technology. One of the motivators of such an appropriation is the vision of the Semantic Web, a set... more
We propose a bootstrapping approach to knowledge acquisition, which uses multimedia ontologies for fused extraction of semantics from multiple modalities, and feeds back the extracted information, aiming to automate the ontology evolution... more
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