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GRDDL is a mechanism for Gleaning Resource Descriptions from Dialects of Languages. It is a technique for obtaining RDF data from XML documents and in particular XHTML pages. Authors may explicitly associate documents with transformation algorithms, typically represented in XSLT, using a link element in the head of the document. Alternatively, the information needed to obtain the transformation may be held in an associated metadata profile document or namespace document. Clients reading the document can follow links across the Web using techniques described in the GRDDL specification to discover the appropriate transformations. This document uses a number of examples from the GRDDL Use Cases document to illustrate, in detail, the techniques GRDDL provides for associating documents with appropriate instructions for extracting any embedded data. (from homepage)

GrassBase provides an interactive guide to nomenclature for the whole grass family. It provides lists of over 60,000 names for any given genus, geographical region or genus within a geographical region, helps find the accepted name, synonyms and distribution for any given name, and gives a desription for each species.

Literature references in Gramene

A database for Triticeae and Avena gene symbols.

A database for Triticeae and Avena references.

A vocabulary for e-commerce

The WikiPatwhays Graphical Pathway Markup Language (GPML) vocabulary.

Types used in the Historic Geo Information System

Ontology used in the Historic Geo Information System

Over the years, GOV has developed into a tool for genealogists, historians and other researchers that allows uniform access to a wide range of location-related data, especially to information that is important for the work of family researchers.: - Geographical location of the place (coordinates or display on a map) - Various key numbers (zip code, municipality code, etc.) - Foreign or historic names - Historical affiliation (administrative, ecclesiastical, etc.) based on current affiliations Churches, church districts, towns, counties, regions, etc. can be found in the GOV. Internally, an entry is generally referred to as a GOV object. [from homepage]

Documentation of GO that provides a description of some of the commonly used relationships and conventions in GO.

Google Scholar provides a simple way to broadly search for scholarly literature. You can search across many disciplines and sources: articles, theses, books, abstracts and court opinions, from academic publishers, professional societies, online repositories, universities and other web sites.

Search the world's most comprehensive index of full-text books.

The Compendium is popularly referred to as the "Gold Book", in recognition of the contribution of the late Victor Gold, who initiated work on the first edition. It is one of the series of IUPAC "Colour Books" on chemical nomenclature, terminology, symbols and units (see the list of source documents), and collects together terminology definitions from IUPAC recommendations already published in Pure and Applied Chemistry and in the other Colour Books. Terminology definitions published by IUPAC are drafted by international committees of experts in the appropriate chemistry sub-disciplines, and ratified by IUPAC's Interdivisional Committee on Terminology, Nomenclature and Symbols (ICTNS). In this edition of the Compendium these IUPAC-approved definitions are supplemented with some definitions from ISO and from the International Vocabulary of Basic and General Terms in Metrology; both these sources are recognised by IUPAC as authoritative. The result is a collection of nearly 7000 terms, with authoritative definitions, spanning the whole range of chemistry. The API can be accessed [here](https://goldbook.iupac.org/pages/api)

A GO annotation is a statement about the function of a particular gene. Each annotation includes an evidence code to indicate how the annotation to a particular term is supported.

GO Rules are a way of documenting the set of filters and reports that should apply to GAF annotation data. Some rules are expressed as SPARQL on a triplestore, some are code in the GAF parsing software, ontobio.

A database-specific registry supporting curation in the Gene Ontology

GO-Causal Activity Models (GO-CAMs) use a defined “grammar” for linking multiple GO annotations into larger models of biological function (such as “pathways”) in a semantically structured manner. GO-CAMs are created by expert biocurators from the GO Consortium, using the Noctua Curation Platform.

An issue on the Gene Ontology GitHub issue tracker

This describes the metadata schema for the Gene Product Information (GPI) files in the Gene Ontology, i.e., the local unique identifiers in this identifier space refer to the columns in GPI files.

GNPS is a web-based mass spectrometry ecosystem that aims to be an open-access knowledge base for community-wide organization and sharing of raw, processed, or annotated fragmentation mass spectrometry data (MS/MS)

The Genome Aggregation Database (gnomAD) is a resource developed by an international coalition of investigators, with the goal of aggregating and harmonizing both exome and genome sequencing data from a wide variety of large-scale sequencing projects, and making summary data available for the wider scientific community (from https://gnomad.broadinstitute.org).

The Gmelin database is a large database of organometallic and inorganic compounds updated quarterly. It is based on the German publication Gmelins Handbuch der anorganischen Chemie which was originally published by Leopold Gmelin in 1817; the last print edition, the 8th, appeared in the 1990s.