eSSIF-Lab Glossary

Action

something that is actually done/executed - by a single actor (on behalf of a given party), as a single operation in a specific context.

Action Type

the specification of properties and characteristics that that actions must have in order to qualify as instance of that class, or the set of actions that actually have these properties and characteristics.

Actor

Entity that can act (do things), e.g. people, machines, but not organizations.

Agent

an actor that is executing an action on behalf of a party (called the principal of that actor).

Assertion

a declaration/statement, made by a specific party, that something is the case.

Author

a party, on whose behalf that data/document/file/... has been created and/or updated.

Business Transaction

See: transaction.

Colleague

two or more (digital or non-digital) agents that have the same principal (i.e. party on whose behalf they exeucte actions).

Commitment Decision

the decision of that party whether or not to commit to that business transaction, i.e. (promise) to fulfill the obligations that the associated transaction agreement proposal would impose on that party once it were signed.

Communication Channel

a (digital or non-digital) means by which two actors can exchange messages with one another.

Communication Session

a time interval during which two actors have an established communication channel that does not exist outside of that time interval.

Concept

the ideas/thoughts behind a classification of entities (what makes entities in that class 'the same').

Concept-file

a file whose contents defines/specifies a concept.

Corpus of Terminology

the documentation that describes the knowledge around a set of terms and concepts.

Credential

data, representing a set of assertions (claims, statements), authored and signed by, or on behalf of, a specific party.

Credential Catalogue

a functional component that has the capability to register and advertise the information about credential types that their respective governing parties have decided to disclose so as to enable other parties to decide whether or not it is beneficial for them to use credentials of such types.

Credential Type

the specification of the contents, properties, constraints etc. that credentials of this type must have/comply with.

Data Collector

a functional component that is capable of collecting data from various parties in the context of some business transaction, and validating this data for the purpose of making one (or more) decision(s).

Data Collector Policy

a digital policy that enables an operational data collector component to function according to the rules of its policy governor.

Data Discloser

a functional component that is capable of disclosing data to (Agents of) other parties, e.g. in the form of credentials.

Data Discloser Policy

a digital policy that enables an operational data discloser component to function according to the rules of its policy governor.

Definition

a text that helps parties to understand the meaning of (and concepts behind) a term, ideally in such a way that these parties can determine whether or not they make the same distinction.

Dependent

the entity for the caring for and/or protecting/guarding/defending of which a guardianship relationship has been established with that entity within that jurisdiction.

Dictionary

an alphabetically sorted list of terms with various meanings they may have in different contexts.

Digital Actor

an actor in the digital world (e.g. a running app, or a web-server).

Digital Agent

an agent in the digital world (e.g. a running app, or a web-server that is executing an action for a specific party (its principal)).

Digital Colleague

two or more digital agents that all have the same principal (i.e. party on whose behalf they exeucte actions).

Digital Communication Channel

a digital means by which two digital actors can exchange messages with one another.

Digital Policy

a machine-readable policy that enables digital agents whose principal is the policy's governor, to execute actions of such types in compliance with that policy (i.e.: according to the rules, working-instructions, preferences and other guidance specified therein).

Documentation Interoperability

the property that a documentation system of making its content comprehensible for a variety of people that come from different backgrounds.

Employee

an actor for whom/which it is realistic that it might execute actions on behalf of that party (called the employer of that actor).

Employer

a party on whose behalf this actor (called an employee of that party) might execute actions.

Entity

something that is known to exist.

eSSIF-Glue

interface layer that allows components with transaction data collector and/or transaction data discloser functionality to use the wallet, holder, issuer and verifier functionalities.

Glossary

an alphabetically sorted list of terms with the (single) meaning it has in (at least) one context.

Governance

the act or process of governing or overseeing the control and direction of something (Merriam-Webster).

Governor

the role that a party assumes as it is governing or overseeing the control and direction of something.

Governor (of a Jurisdiction)

the party that operates the legal system of that jurisdiction.

Governor (of a Knowledge)

the party that is 1-1 associated with that knowledge.

Guardian

the party that is tasked to care for and/or protect/guard/defend that entity, for the purpose of which a guardianship relationship has been established within that jurisdiction.

Guardianship

the rights and duties of that party, defined and enforced in that jurisdiction, for the purpose of caring for and/or protecting/guarding/defending that entity.

Guardianship-type

a class of guardianships (relationships) within the jurisdiction that has defined it.

Holder

the capability to handle presentation requests from a peer agent, produce the requested data (a presentation) according to its principal's holder-policy, and send that in response to the request.

Holder Policy

a digital policy that enables an operational holder component to function according to the rules of its policy governor.

Identifier

a character string that is being used for the identification of some entity (yet may refer to 0, 1, or more entities, depending on the context within which it is being used).

Issuer

the capability to construct credentials from data objects, according to the content of its principal's issuer-Policy (specifically regarding the way in which the credential is to be digitally signed), and pass it to the wallet-component of its principal allowing it to be issued.

Isuer Policy

a digital policy that enables an operational issuer component to function according to the rules of its policy governor.

Jurisdiction

the composition of a legal system (legislation, enforcement thereof, and conflict resolution), a party that governs that legal system, a scope within which that legal system is operational, and one or more objectives for the purpose of which the legal system is operated.

Knowledge

The (intangible) sum of what is known by a specific party, as well as the familiarity, awareness or understanding of someone or something by that party.

Legal Entity

an entity that is known by, recognized to exist, and registered in that jurisdiction.

Legal Jurisdiction

a jurisdiction that is governed/operated by a governmental body.

Legal System

a system in which rules are defined, and mechanisms for their enforcement and conflict resolution are (implicitly or explicitly) specified.

Mental Model

a casual and formal description (Pattern) of a set of concepts, relations between them, and constraints, that provide a specific 'viewpoint', or 'way of thinking' about a certain topic.

Objective

Something toward which a party directs effort (an aim, goal, or end of action).

Organization

a group of people that work to realize one or more objectives.

Owned

an entity over which another entity (its owner) has the power (duty, right) to enjoy it, dispose of it and control it; that power is limited to (the scope of) that jurisdiction, and by its rules.

Owner

the role that a party performs when it is exercizing its legal, rightful or natural title to control that entity.

Ownership

the rights and duties, as defined and enforced in that jurisdiction, of that entity to enjoy, dispose of, and control the other entity.

Participant

a party is negotiating (or has negotiated) a business transaction agreement.

Party

an entity that has objectives, knowledge about what exists, rules that (should) apply, and some capability that allows it to reason, make decisions, generate and maintain knowledge etc. in a self-Sovereign fashion; humans and organizations ar the typical examples.

Pattern

A limited set of concepts (ideas), relations between them, and constraints, such that together they form a coherent and consistent whole.

Pattern-file

a file whose contents describes/documents a pattern.

Peer Actor

the actor with whom/which this other actor is communicating in that communication session.

Peer Agent

the agent with whom/which this other agent is communicating in that communication session.

Peer Party

a party that also participates in that business transaction.

Policy

a (set of) rules, working-instructions, preferences and other guidance for the execution of one or more kinds of actions, that agents (a) have access to, (b) can interpret as intended by their principal (i.e. policy owner) and (c) must use when executing such actions.

Policy Governor

the party that is the owner of the policy and hence decides what goes in it and what not.

Presentation

a (signed) digital message that a holder component may send to a verifier component that contains data derived from one or more verifiable credentials (that (a colleague component of) the holder component has received from issuer components of one or more parties), as a response to a specific presentation request of a Verifier component.

Presentation Request

a (signed) digital message that a verifier component sends to a holder component asking for specific data from one or more verifiable credentials that are issued by specific Parties.

Principal

the party for whom, or on behalf of whom, the actor is executing an action (this actor is then called an agent of that party).

Risk

the deviation of the expected realization (e.g. results) of that party's objective.

Scope

the extent of the area or subject matter (which we use to define patterns, concepts, terms and glossaries in).

Scope-file

a file whose contents defines/specifies a scope.

Semantics

a mapping between the (tangible/textual) terms and (intangible) ideas/Concepts - their meaning.

SSI Agent

a digital agent that provides one or more of the ssi functionalities (issuer, holder, verifier, wallet) to its principal.

Term

a word or phrase that is used in at least one scope/context to refer to a specific concept.

Term-file

a file whose contents defines/specifies a term.

Terminology

the set of terms that are used for communicating about a some specific topic(s).

Transaction

the exchange of goods, services, funds, or data between some parties (called participants of the transaction).

Transaction Agreement

the set of rules that specify the rights (expectations) and duties (obligations) of participants towards one another in the context of a specific business transaction.

Transaction Data Collector

a functional component that collects sufficient and validated data for deciding whether or not a request (typically for a product or a service) is to be serviced.

Transaction Data Collector Policy

a digital policy that enables an operational transaction data collector component to function according to the rules of its policy governor.

Transaction Data Discloser

a functional component that is capable of disclosing data.

Transaction Data Discloser Policy

a digital policy that enables an operational transaction data discloser component to function according to the rules of its policy governor.

Transaction Form

the specification of the set of data that this party needs to (a) commit to a (proposed) business transaction of that kind, (b) fulfill its duties/obligations and (c) escalate if necessary.

Transaction Id

character string that this participant uses to identify, and refer to, that business transaction.

Transaction Proposal

a transaction agreement that is 'in-the-making' (ranging from an empty document to a document that would be a transaction agreement if it were signed by all participants).

Transaction Request

a message, send by a requesting party to a providing party, that initiates the negotiation of a new transaction agreement between these parties for the provisioning of a specific product or service.

Transaction Type

the policy, governed by that party, and other necessary artifacts (e.g. a transaction form) that provide an actor with all necessary means to conduct a transaction of this type on behalf of that party.

Validated Data

data of which some party has established that it is valid, and hence suitahble to be used for some specific purpose(s).

Validation

the process that a party uses to determine whether or not that data is valid to be used for some specific purpose(s) of that party.

Validation Policy

a digital policy that contains the rules, working-instructions, preferences and other guidance for determining whether or not data is valid for a specific purpose/objective of its governor.

Verfiable Data

data that comes with assurances regarding its provenance (the party that issued it) and its integrity (the property that the credential data has not been tampered with in transit, i.e. is the same as when created).

Verifiable Credential

Credential that comes with assurances regarding its provenance (the party that issued it) and its integrity (the property that the credential data has not been tampered with in transit, i.e. is the same as when issued).

Verification

the process that a party uses to determine whether or not what that data represents is in fact true (veracity).

Verified Data

data of which some party has established that it is a truthful representation of what its author intended it to mean when the data was last created/updated.

Verifier

the capability to request peer agents to present (provide) data from credentials (of a specified kind, issued by specified parties), and to verify such responses (check structure, signatures, dates), according to its principal's verifier policy.

Verifier Policy

a digital policy that enables an operational verifier component to function according to the rules of its policy governor.

Vocabulary

the sum or stock of words employed by a language, group, individual, or work or in a field of knowledge.

Wallet

the capability to securely store data as requested by colleague agents, and to provide stored data to colleague agents or peer agents, all in compliance with the rules of its principal's wallet policy.

Wallet Policy

a digital policy that enables an operational wallet component to function according to the rules of its policy governor.