Introduction (3GLL)
Neurorganon Upper Level Ontology (NULO) is a top-level ontology also known as a foundation ontology. It includes a list of very general terms grouped in ontological distinct categories , such as 'address' , 'agent', 'artifact', 'device', 'document', 'space', 'time' and many others. These categories determine the most fundamental and the broadest ) classes of information resources. In NULO members of each class, i.e. vocabulary terms, preserve the same meaning across more specific knowledge domains and other reference work. In that aspect it is similar to a thesaurus because it groups together terms in disjoint collections of mostly similar concepts and it is like a dictionary because it can also include multiple, multi-lingual definitions. It is also an ontology because it defines relations and properties that describe how the terms can be linked together or bind them to web, computerized information resources. NULO recent version, numbers more than 500 core vocabulary terms grouped in 47 maximally disjoint categories. All these terms have been consistently mapped to standard definitions from at least two major reference works in the realm of semantically linked data; OpenCyc and Wikipedia. Respectively their information resources are used as identifiers and references for NULO terms. Most important, at this stage of architectural design what makes NULO really different from other Upper-Level Ontologies is the kind of grouping of the terms and the categories included and described in the οntology. This is the result of a big effort, the whole year, from a single person, to discover and organize efficiently most terms related to information technology, including abstraction, management, computer programming, data storage, metadata, data modeling, identity, reference, design patterns, web use, digital resources and devices to name a few of them. (3J4P)