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In knowledge representation and reasoning, a knowledge graph is a knowledge base that uses a graph-structured data model or topology to represent and operate on data. Knowledge graphs are often used to store interlinked descriptions of entities – objects, events, situations or abstract concepts – while also encoding the free-form semantics ...
In representation learning, knowledge graph embedding (KGE), also referred to as knowledge representation learning (KRL), or multi-relation learning, [1] is a machine learning task of learning a low-dimensional representation of a knowledge graph's entities and relations while preserving their semantic meaning.
Semantic Scholar uses modern techniques in natural language processing to support the research process, for example by providing automatically generated summaries of scholarly papers. [3] The Semantic Scholar team is actively researching the use of artificial intelligence in natural language processing , machine learning , human–computer ...
Scientific Knowledge Graph aggregating, deduplicating, enriching metadata of publications, research data, research software, and other products, with citations links and links to funders and grants - core service in support of the European Open Science Cloud: Free OpenAIRE AMKE (not-for-profit) OpenAlex: Multidisciplinary: 205,000,000 [46]
A knowledge graph is a knowledge base that uses a graph-structured data model. Common applications are for gathering lightly-structured associations between topic-specific knowledge in a range of disciplines, which each have their own more detailed data shapes and schemas .
The Knowledge Graph was powered in part by Freebase. [7] In August 2014, New Scientist reported that Google had launched a Knowledge Vault project. [14] After publication, Google reached out to Search Engine Land to explain that Knowledge Vault was a research report, not an active Google service.
A cyclical dependency graph. A rule is an expression of the form n :− a 1, ..., a n where: . a 1, ..., a n are the atoms of the body,; n is the atom of the head.; A rule allows to infer new knowledge starting from the variables that are in the body: when all the variables in the body of a rule are successfully assigned, the rule is activated and it results in the derivation of the head ...
This is a list of graph theory topics, ... Knowledge representation. Conceptual graph; Mind map; Level structure; Link popularity; Mac Lane's planarity criterion;