the distinctionbetween an entity and an entity reference is fundamental tounderstanding ER.
Yeah because you can have multiple entity references to a real world entity and thats when ER comes into play
16 Matching Annotations
- Mar 2025
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hxd7ms.org hxd7ms.org
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Although instances of an entity type are often called entitiesby data modelers, it is important to understand that in the con-text of ER, instances of an ERM entity type are not entities. Aninstance of an entity type, such as the Student entity type inFigure 1.1, is just a row in the Student database table inside thecomputer. The instance is only a reference to a real studentwalking around campus and attending classes. In an ER context,4 Chapter 1 PRINCIPLES OF ENTITY RESOLUTION
GRRR... this took me months to to figure out by myself -.- should have read this.
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URL
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- Aug 2024
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www.youtube.com www.youtube.com
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one cannot exclude that he's right the challenge is that the science is, really not is very inconclusive on, the cocktail risks of chemicals in the biosphere, but that is why we have it as one of the planetary boundaries, that we have enough evidence to say that the loading of, for example, endocrine disruptors PFAS, persistent organic pollutants all forms of, of um, chemical long lasting chemical products.
for - examples of planetary boundaries novel entities
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- Oct 2023
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riojournal.com riojournal.com
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Digital Specimen
Entity
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URL
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content.iospress.com content.iospress.com
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digital or physical objects, or concepts
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insights.uksg.org insights.uksg.org
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identifiers for research objects and outputs, for example, DOIs (digital object identifiers), Archival Resource Key identifiers (ARKs), handles and IGSNs (International Geo Sample Number).
PID Entities - research outputs
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identifiers for organizations, including GRID (Global Research Identifier Database), Ringgold IDs, ISNIs (International Standard Name Identifiers), LEIs (legal entity identifiers) and the identifiers that will be provided by the recently announced Research Organization Registry2
PID Entities - organisations
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identifiers for researchers, such as ORCID iDs, ResearcherIDs and Scopus IDs
PID Entities - Researchers
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- Sep 2023
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www.researchobject.org www.researchobject.org
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context
PID - Context - schema.org
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www.researchobject.org www.researchobject.org
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Publications via citation property
PID - outputs and publications
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Organizations as values
Organisations - PID
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People
Persons - PID
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datacite.org datacite.org
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PIDs for research dataPIDs for instrumentsPIDs for academic eventsPIDs for cultural objects and their contextsPIDs for organizations and projectsPIDs for researchers and contributorsPIDs for physical objectsPIDs for open-access publishing services and current research information systems (CRIS)PIDs for softwarePIDs for text publications
PID Use Case Elements, entities
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- Jul 2021
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datatracker.ietf.org datatracker.ietf.orgrfc11221
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In general, it is best to assume that the network is filled with malevolent entities that will send in packets designed to have the worst possible effect.
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- May 2021
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humanitas.ai humanitas.ai
- Oct 2015
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www.theguardian.com www.theguardian.com
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it tells us little about sales of actual ebooks
Or about the broader context for reading. Often strikes me that we still take the “book” concept as a given. Texts come in many forms but we’re stuck with this model of packaging texts by length. Much of literary postmodernism had to do with breaking free of those boundaries on our thinking. But eBooks often reproduce the linearity and boundedness of pre-hypertext “books”. Landow’s book was first published in 1991. What happened in the last 25 years?
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