Highlightopenalex.org

REANO: Optimising Retrieval-Augmented Reader Models through Knowledge Graph Generation

A paper proposing a knowledge graph generation module to enhance retrieval-augmented reader models.

The authors propose REANO, a system that generates knowledge graphs from passages and uses them to improve the performance of retrieval-augmented reader models. This is done by adding a knowledge graph generator and an answer predictor to the model. Experimental results show improvements in exact match scores on five open domain question answering datasets.

Based on: REANO: Optimising Retrieval-Augmented Reader Models through Knowledge Graph Generation

HighlightarXiv (Cornell University)

LightRAG: Simple and Fast Retrieval-Augmented Generation

A retrieval-augmented generation system that integrates graph structures for efficient knowledge retrieval.

LightRAG is a retrieval-augmented generation system that addresses limitations of existing RAG systems by incorporating graph structures into text indexing and retrieval processes.,It employs a dual-level retrieval system to enhance comprehensive information retrieval from both low-level and high-level knowledge discovery.,The system also includes an incremental update algorithm for timely integration of new data.

Based on: LightRAG: Simple and Fast Retrieval-Augmented Generation · arXiv (Cornell University)

Highlightopenalex.org

Document Knowledge Graph to Enhance Question Answering with Retrieval Augmented Generation

A paper proposing a concept to enhance Retrieval Augmented Generation systems by integrating a Knowledge Graph constructed from document structures.

The authors propose an approach to improve question answering in the factory planning domain using a knowledge graph and retrieval augmented generation. They aim to address limitations of existing RAG implementations that rely on vector databases. The proposed concept integrates a knowledge graph constructed from document structures to provide more accurate answers.

Based on: Document Knowledge Graph to Enhance Question Answering with Retrieval Augmented Generation

HighlightJournal of Biomedical Semantics

FAIR-Checker: supporting digital resource findability and reuse with Knowledge Graphs and Semantic Web standards

A web-based tool for assessing the FAIRness of metadata in digital resources.

FAIR-Checker is a tool that evaluates the FAIRness of metadata in digital resources using Semantic Web standards and technologies.,It offers two main facets: a 'Check' module for thorough metadata evaluation and recommendations, and an 'Inspect' module for improving metadata quality.,The tool was evaluated on over 25 thousand bioinformatics software descriptions.

Based on: FAIR-Checker: supporting digital resource findability and reuse with Knowledge Graphs and Semantic Web standards · Journal of Biomedical Semantics

HighlightInstitution of Engineering and Technology eBooks

Knowledge representation and reasoning in personal knowledge graphs

A chapter discussing the semantic web stack and its application to personal knowledge graphs.

The authors describe the semantic web stack, a set of open standards for representing and reasoning with knowledge graphs.,They discuss projects using these standards to build personal knowledge graphs that interoperate with other knowledge graphs on the web.,Related standards for describing rules and policies are also discussed.

Based on: Knowledge representation and reasoning in personal knowledge graphs · Institution of Engineering and Technology eBooks

HighlightProceedings of the ACM on Management of Data

PG-Schema: Schemas for Property Graphs

A formalism for specifying property graph schemas with flexible type definitions and expressive constraints.

The authors propose PG-Schema, a simple yet powerful formalism for specifying property graph schemas. It features flexible type definitions supporting multi-inheritance and expressive constraints based on the recently proposed PG-Keys formalism. The paper provides the formal syntax and semantics of PG-Schema, meeting principled design requirements grounded in contemporary property graph management scenarios.

Based on: PG-Schema: Schemas for Property Graphs · Proceedings of the ACM on Management of Data

HighlightLecture notes in computer science

The SAREF Pipeline and Portal—An Ontology Verification Framework

A framework for ontology verification presented in a lecture notes publication.

This paper introduces the SAREF pipeline and portal, an ontology verification framework. The authors describe the framework's components and its application to ontology validation. The framework is designed to facilitate the verification of ontologies and their integration with other knowledge graphs.

Based on: The SAREF Pipeline and Portal—An Ontology Verification Framework · Lecture notes in computer science

HighlightWU Research

How Does Knowledge Evolve in Open Knowledge Graphs?

This paper explores knowledge evolution in open knowledge graphs.

The authors investigate how knowledge evolves in open knowledge graphs, examining the dynamics of knowledge growth and change. They propose a framework for understanding and analyzing knowledge evolution in these graphs. The study contributes to the field by providing insights into the mechanisms driving knowledge evolution and its implications for knowledge graph management.

Based on: How Does Knowledge Evolve in Open Knowledge Graphs? · WU Research

HighlightJournal of Web Semantics

Streaming linked data: A survey on life cycle compliance

A survey on the life cycle compliance for Streaming Linked Data.

The paper surveys existing Stream Reasoning applications and proposes an updated life cycle for managing data streams on the Web. It identifies areas where the initial proposal needed reordering or splitting up and provides guidelines and best practices for each step. The updated life cycle serves as a blueprint for future SR applications.

Based on: Streaming linked data: A survey on life cycle compliance · Journal of Web Semantics

HighlightLNCS / ISWC

Ontology Repositories and Semantic Artefact Catalogues with OntoPortal Technology

A paper on the OntoPortal Alliance consortium's platforms for ontology management.

The OntoPortal Alliance consortium provides common platforms for receiving, hosting, serving, aligning, and enabling reuse of ontologies and semantic artefacts.,These platforms make ontologies FAIR (Findable, Accessible, Interoperable, Reusable).,They address the growing need for governance of exploding number of semantic artefacts in science.

Based on: Ontology Repositories and Semantic Artefact Catalogues with OntoPortal Technology · LNCS / ISWC

HighlightAutomation in Construction

Semantic Rule Checking of Cross-Domain Building Data Using SHACL

Uses SHACL for semantic rule checking across cross-domain building data.

This paper explores the application of SHACL shapes constraint language for semantic rule checking in construction industry. It presents a production deployment demonstrating SHACL validation. The study focuses on linked document delivery and information containers.

Based on: Semantic Rule Checking of Cross-Domain Building Data Using SHACL · Automation in Construction

HighlightData Intelligence (MIT Press)

The W3C Data Catalog Vocabulary Version 2: Rationale Design Principles and Uptake

W3C RDF vocabulary for data catalog interoperability.

DCAT v2 addresses gaps identified through implementation experience across communities, building on the 2014 W3C Recommendation. It supports wide adoption, especially with FAIR data principles. The vocabulary enables data catalog interoperability.

Based on: The W3C Data Catalog Vocabulary Version 2: Rationale Design Principles and Uptake · Data Intelligence (MIT Press)