Real-Time Object-Oriented Modeling (ROOM) is a methodology and modeling language designed for developing real-time systems and applications that require concurrency and reactive behavior. It integrates the principles of object-oriented design with real-time systems engineering, focusing on the specification, design, and implementation of systems that must respond to external events within stringent timing constraints. ### Key Features of ROOM: 1. **Object-Oriented Concepts**: ROOM utilizes object-oriented principles such as encapsulation, inheritance, and polymorphism.
Real-time computing refers to computer systems or applications that process data and provide responses or outputs within a specified time frame, often in response to external events. The defining characteristic of real-time computing is its ability to deliver timely results, where the correctness of the computation depends not only on the logical result but also on the time at which the result is delivered. Here are some key concepts associated with real-time computing: 1. **Timing Constraints**: Real-time systems must operate under strict timing constraints.
Real-time kinematic (RTK) positioning is a satellite navigation technique used to enhance the precision of position data derived from Global Navigation Satellite Systems (GNSS), such as GPS, GLONASS, Galileo, and BeiDou. It is commonly employed in applications that require high accuracy, such as surveying, agriculture, construction, and autonomous vehicles.
Real-time transcription is the process of converting spoken language into written text as it occurs, allowing for immediate access to the transcribed content. This technology is often used in various settings, including: 1. **Live Events**: During conferences, lectures, or meetings, real-time transcription provides an immediate written record of what is being said, which can be beneficial for attendees, especially those who are deaf or hard of hearing.
Remote diagnostics refers to the use of technology to assess and diagnose issues in systems, devices, or machinery from a distance. This process typically involves gathering data from the system through sensors or software and transmitting that information to a specialist or diagnostic software for analysis.
Stephen J. Mellor is a prominent figure in the field of software engineering, particularly known for his work in model-driven development (MDD) and the use of modeling languages. He is one of the co-founders of the Object Management Group (OMG), which is an organization that focuses on developing standards for software modeling and interoperability.
Adam Sedgwick (1785–1873) was a prominent English geologist and a significant figure in the early development of geology as a scientific discipline. He is best known for his work in stratigraphy and for his contributions to the understanding of the geological time scale. Sedgwick was a professor at the University of Cambridge and played a key role in the establishment of a systematic approach to classifying rock layers and understanding Earth's history.
James Dwight Dana (1813–1895) was an American geologist, mineralogist, and paleontologist known for his extensive contributions to the natural sciences, particularly in the fields of geology and mineralogy. He played a pivotal role in the development of the science of geology in the United States during the 19th century.
James Ivory (1765–1842) was a Scottish mathematician and a prominent figure in the development of mathematical analysis and geometry during the late 18th and early 19th centuries. He is best known for his contributions to calculus and for his work on various mathematical problems, including those related to the theory of curves and surfaces. Ivory is also recognized for his contributions to the field of integral calculus and for his work on the moment of inertia in mechanics.
James Rennell (1742–1830) was a British geographer and cartographer, renowned for his contributions to the field of mapping and geographical knowledge during the late 18th and early 19th centuries. He is best known for producing the first accurate map of India, which was the result of extensive surveying and research.
James South (1785–1867) was an English astronomer known for his contributions to observational astronomy and his work in cataloging stars. He is particularly noted for his collaboration with William Lloyd on the "South's Catalog of Stars," which included detailed observations of stars in the southern hemisphere. Additionally, South was involved in the establishment of the Royal Astronomical Society and contributed to advancing astronomical knowledge in the 19th century.
Jean-André Deluc (1727–1817) was a Swiss geologist and naturalist known for his contributions to the fields of geology and mineralogy. He is particularly recognized for his work on the formation of rocks and minerals, as well as his studies on glaciers and the impact of glacial activity on the landscape. Deluc was instrumental in advancing the understanding of geological processes during a time when the field was still developing.
Jean-Baptiste Dumas (1800–1884) was a prominent French chemist and politician known for his significant contributions to organic chemistry and stoichiometry. He is best known for Dumas' law, which relates to the determination of molecular weights and the properties of gases. Dumas conducted important research in the fields of nitrogen compounds and organic reactions, and he played a key role in advancing the understanding of chemical structure during his time.
Jesse Ramsden (1735–1800) was a notable English instrument maker, best known for his high-quality scientific instruments and improvements in precision measurement. He is particularly recognized for his work in the field of surveying and for the invention of the Ramsden eyepiece, an optical device used in instruments like microscopes and telescopes. Ramsden's contributions to the field of instrumentation included advancements in the manufacturing of theodolites, barometers, and other scientific tools.
Johannes Peter Müller was a prominent German anatomist, physiologist, and biologist who lived from 1801 to 1858. He is known for his significant contributions to the fields of physiology and anatomy, particularly in the study of sensory organs and their functions. Müller is perhaps best known for his work on the theory of specific nerve energies, which laid the groundwork for understanding how different types of sensory stimuli are processed by the nervous system.
John Cornforth (1917–2013) was a prominent British chemist known for his work in the field of organic chemistry, particularly in the area of steroid chemistry. He was awarded the Nobel Prize in Chemistry in 1975 for his efforts in elucidating the structure of biologically important compounds and his contributions to the understanding of how certain reactions occur, particularly those involving complex molecular architectures. Cornforth was highly regarded for his innovative approaches to chemical synthesis and his ability to interpret intricate molecular structures.
A recursive definition is a way of defining a concept, object, or function in terms of itself. In mathematics and computer science, recursive definitions are commonly used to define sequences, functions, data structures, and algorithms. A recursive definition typically consists of two parts: 1. **Base Case (or Base Condition):** This part provides a simple, non-recursive definition for the initial case(s). It serves as the foundation for the recursive process.
The term "recursive islands and lakes" typically refers to a problem often encountered in computer science, particularly in the fields of algorithms and data structures. It usually involves identifying and counting distinct "islands" in a grid (or a 2D array), where the islands are formed by connected "land" cells (usually represented by some value, like 1) and are surrounded by "water" cells (represented by another value, like 0).
A recursive language (also known as a decidable language) is a type of formal language in the field of computer science and computational theory. Specifically, a recursive language is a set of strings over a given alphabet for which there exists a Turing machine that will accept every string in the language and will reject (or halt) every string that is not in the language.
Reentrancy in computing refers to the ability of a piece of code, typically a function or a subroutine, to be safely executed by multiple threads or processes concurrently without causing any unintended interference or data corruption. This characteristic is vital in multitasking and multithreaded environments where the same code may be accessed by different execution contexts simultaneously.