optionality
21Implied volatility — In financial mathematics, the implied volatility of an option contract is the volatility implied by the market price of the option based on an option pricing model. In other words, it is the volatility that, given a particular pricing model,… …
22Entity-relationship model — A sample Entity relationship diagram using Chen s notation In software engineering, an entity relationship model (ERM) is an abstract and conceptual representation of data. Entity relationship modeling is a database modeling method, used to… …
23Bond duration — Financial markets Public market Exchange Securities Bond market Fixed income Corporate bond Government bond Municipal bond …
24Focus (linguistics) — Focus is a concept in linguistic theory that deals with how information in one phrase relates to information that has come before. Focus has been analyzed in a variety of ways by linguists. Historically, there have been two main approaches to… …
25Interest rate risk — is the risk (variability in value) borne by an interest bearing asset, such as a loan or a bond, due to variability of interest rates. In general, as rates rise, the price of a fixed rate bond will fall, and vice versa. Interest rate risk is… …
26French pronouns — are inflected to indicate their role in the sentence (subject, direct object, and so on), as well as to reflect the person, gender, and number of their referents. While English draws some of these distinctions as well, French draws them in many… …
27Glossary of Unified Modeling Language terms — This glossary of Unified Modeling Language terms covers all versions of UML. Individual entries will point out any distinctions that exist between versions.A* Abstract An indicator applied to a classifier (e.g., actor, class, use case) or to some …
28Conceptual model (computer science) — A mental model captures ideas in a problem domain, while a conceptual model represents concepts (entities) and relationships between them. A Conceptual model in the field of computer science is also known as a domain model. Conceptual modeling… …
29Wirth syntax notation — (WSN) is a metasyntax, that is, a formal way to describe formal languages. Originally proposed by Niklaus Wirth in 1977 as an alternative to Backus Naur form (BNF), it has several advantages over BNF in that it can be defined using itself, it… …
30Schema matching — The terms schema matching and mapping are often used interchangeably. For this article, we differentiate the two as follows: Schema matching is the process of identifying that two objects are semantically related (scope of this article) while… …
