Africa is the world's second largest and second most-populous continent, being behind Asia in both categories. At about 30.3 million km2 including adjacent islands, it covers 6% of Earth's total surface area and 20% of its land area. With 1.2 billion people as of 2016, it accounts for about 16% of the world's human population. The continent is surrounded by the Mediterranean Sea to the north, the Isthmus of Suez and the Red Sea to the northeast, the Indian Ocean to the southeast and the Atlantic Ocean to the west; the continent includes various archipelagos. It contains 54 recognised sovereign states, nine territories and two de facto independent states with limited or no recognition; the majority of the continent and its countries are in the Northern Hemisphere, with a substantial portion and number of countries in the Southern Hemisphere. Africa's average population is the youngest amongst all the continents. Algeria is Africa's largest country by area, Nigeria is its largest by population. Africa central Eastern Africa, is accepted as the place of origin of humans and the Hominidae clade, as evidenced by the discovery of the earliest hominids and their ancestors as well as ones that have been dated to around 7 million years ago, including Sahelanthropus tchadensis, Australopithecus africanus, A. afarensis, Homo erectus, H. habilis and H. ergaster—the earliest Homo sapiens, found in Ethiopia, date to circa 200,000 years ago.
Africa encompasses numerous climate areas. Africa hosts a large diversity of ethnicities and languages. In the late 19th century, European countries colonised all of Africa. African nations cooperate through the establishment of the African Union, headquartered in Addis Ababa. Afri was a Latin name used to refer to the inhabitants of then-known northern Africa to the west of the Nile river, in its widest sense referred to all lands south of the Mediterranean; this name seems to have referred to a native Libyan tribe, an ancestor of modern Berbers. The name had been connected with the Phoenician word ʿafar meaning "dust", but a 1981 hypothesis has asserted that it stems from the Berber word ifri meaning "cave", in reference to cave dwellers; the same word may be found in the name of the Banu Ifran from Algeria and Tripolitania, a Berber tribe from Yafran in northwestern Libya. Under Roman rule, Carthage became the capital of the province it named Africa Proconsularis, following its defeat of the Carthaginians in the Third Punic War in 146 BC, which included the coastal part of modern Libya.
The Latin suffix -ica can sometimes be used to denote a land. The Muslim region of Ifriqiya, following its conquest of the Byzantine Empire's Exarchatus Africae preserved a form of the name. According to the Romans, Africa lay to the west of Egypt, while "Asia" was used to refer to Anatolia and lands to the east. A definite line was drawn between the two continents by the geographer Ptolemy, indicating Alexandria along the Prime Meridian and making the isthmus of Suez and the Red Sea the boundary between Asia and Africa; as Europeans came to understand the real extent of the continent, the idea of "Africa" expanded with their knowledge. Other etymological hypotheses have been postulated for the ancient name "Africa": The 1st-century Jewish historian Flavius Josephus asserted that it was named for Epher, grandson of Abraham according to Gen. 25:4, whose descendants, he claimed, had invaded Libya. Isidore of Seville in his 7th-century Etymologiae XIV.5.2. Suggests "Africa comes from the Latin aprica, meaning "sunny".
Massey, in 1881, stated that Africa is derived from the Egyptian af-rui-ka, meaning "to turn toward the opening of the Ka." The Ka is the energetic double of every person and the "opening of the Ka" refers to a womb or birthplace. Africa would be, for the Egyptians, "the birthplace." Michèle Fruyt in 1976 proposed linking the Latin word with africus "south wind", which would be of Umbrian origin and mean "rainy wind". Robert R. Stieglitz of Rutgers University in 1984 proposed: "The name Africa, derived from the Latin *Aphir-ic-a, is cognate to Hebrew Ophir." Ibn Khallikan and some other historians claim that the name of Africa came from a Himyarite king called Afrikin ibn Kais ibn Saifi called "Afrikus son of Abrahah" who subdued Ifriqiya. Africa is considered by most paleoanthropologists to be the oldest inhabited territory on Earth, with the human species originating from the continent. During the mid-20th century, anthropologists discovered many fossils and evidence of human occupation as early as 7 million years ago.
Fossil remains of several species of early apelike humans thought to have evolved into modern man, such as Australopithecus afarensis (radiometrically dated to 3.9–3.0 million years BP, Paranthropus boisei and Homo ergaster have been discovered. After the evolution of Homo sapiens sapiens 150,000 to 100,000 years BP in Africa, the continent was populated by groups of hunter-gatherers; these first modern humans left Africa and populated the rest of the globe during the Out of Africa II migration dated to 50,000 years BP, exiting the continent eith
German National Library of Economics
The German National Library of Economics is the world’s largest research infrastructure for economic literature, online as well as offline. The ZBW is a member of the Leibniz Association and has been a foundation under public law since 2007. Several times the ZBW received the international LIBER award for its innovative work in librarianship; the ZBW allows for access of millions of documents and research on economics, partnering with over 40 research institutions to create a connective Open Access portal and social web of research. Through its EconStor and EconBiz and students have accessed millions of datasets and thousands of articles; the ZBW edits two journals: Wirtschaftsdienst and Intereconomics. The ZBW is Germany's central subject research infrastructure for economics in Germany, its mandate is to acquire, to index, to archive theoretical and empirical literature and subject-specific information from economics and business studies, to provide access to these materials to the general public on a national basis.
The ZBW acquires all publications from related and auxiliary disciplines focussing on economics, in order to accommodate the increasing tendency towards interdisciplinary work in economic research. The ZBW is part of the system of national literature provision within the German Research Foundation; the ZBW holds 4.4 million items. The ZBW subscribes to more than 27,100 journals and enables access to 2.3 million electronic documents. The search portal. More than 134,000 full-texts from German research institutes and universities are available online and free of charge on the repository EconStor; the ZBW creates content-descriptive metadata not only for books, but for articles in journals and working papers, i.e. they are indexed with keywords from the Standard Thesaurus for Economics. The ZBW maintains the search portal EconBiz containing more than 10 million datasets of bibliographic references for economics and business studies; the ZBW offers an online reference service, Research Guide EconDesk, which provides guidance for literature and data searches in economics and business studies.
The ZBW is an active player in the Open Access movement which aims for free access to scholarly research output. It is the chief negotiator for national licences in economics in Germany; the repository EconStor serves as a platform for the free publication of research output in economics. Authors and publishing institutions can publish without charges on EconStor. More than 400 institutions use EconStor for the digital dissemination of their publications in Open Access, it is an input service for RePEc and one of its most used archives. All titles in EconStor are indexed by search engines such as Google, Google Scholar and BASE, distributed to databases such as WoldCat, OpenAire and EconBiz; the ZBW Journal Data Archive is a service for the editors of scholarly journals in economics. Editors can deposit datasets and other material relating to empirical articles and provide access to them in order to enable reproducibility of published research findings; the ZBW publishes two journals of Wirtschaftsdienst and Intereconomics.
The ZBW provides support for researchers dealing with the different aspects of the digitisation of the science system, such as publishing in Open Access or research data management. The ZBW participates in international projects to develop new services for its users. GeRDI – Generic Research Data Infrastructure; the project aims to develop a linked-up research data infrastructure. It aims to link existing and future research data centres all over Germany; this allows scientists to search for and re-use research data across disciplines and without barriers. The ZBW coordinates the project, funded by the German Research Foundation. Linked Open Citation Database; the project LOC-DB develops tools and processes based on linked data technologies that will enable individual libraries to participate in an open, distributed infrastructure for the indexation of citations. It aims to show that extensive automation of metadata creation can produce relevant added value to scholarly information discovery. Metrics: MEasuring The Reliability and perception of Indicators for interactions with sCientific productS.
The project focuses on gaining a deeper understanding of alternative indicators for measuring scientific performance. Under review are the quality and reliability of the indicators, but how far they are able to map discipline-specific differences. MOVING: the project aims to build a working environment for the qualitative and quantitative analysis of large collections of documents and data; the ZBW is the research partner for text and data mining and the scientific coordinator, contributes its expertise in the field of Science 2.0. Digital Imperial Statistics: Historical statistics are not available online. In this pilot project, the German Imperial Statistics 1873-1883 have been digitised and processed into a format that researchers can download for re-use in spreadsheets; this project is funded by the German Research Foundation. Digital preservation: Because of the rapid technical development of recent years, information is only available in digital form. At the same time, the hard- and software needed for reading this information becomes obsolete more rapidly.
Digital preservation ensures. To this end, the ZBW cooperates with two other German Libraries, the Leibniz Information Centre for Science and Technology (TIB
Système universitaire de documentation
The système universitaire de documentation or SUDOC is a system used by the libraries of French universities and higher education establishments to identify and manage the documents in their possession. The catalog, which contains more than 10 million references, allows students and researcher to search for bibliographical and location information in over 3,400 documentation centers, it is maintained by the Bibliographic Agency for Higher Education. Official website
20th Century Press Archives
The 20th Century Press Archives comprises about 19 million of newspaper clippings, organized in folders about persons, wares and topics. It originates from the Hamburg Kolonialinstitut founded in 1908. Within the Hamburg Institute of International Economics it turned into a unique public press archives. In 2007 it was absorbed by the German National Library of Economics and merged with the Wirtschaftsarchiv of the Kiel Institute for the World Economy, founded in 1914. Article collection was discontinued by end of 2005. After a few years, the "Zentralstelle" of the Kolonialinstitut was transformed from a free information center for colonial issues into a comprehensive archive of global political and economic topics, which supported Hamburg's merchants. After the breakdown of the German colonial empire in World War I, the renaming to "Hamburgisches Welt-Wirtschafts-Archiv" in 1919 sealed this reorientation; the staff of HWWA reflected its importance and grew from 54 in 1919 to 183 permanent or temporary employees in 1958 - a state that seems to have remained stable until the late 1990s.
Founded shortly before the outbreak of the First World War, the Kiel Economic Archive and its library were linked to the scientific work of the IfW, which focused on global economic contexts and their practical use. In 1966, the library of the IfW was given the function of a central library for economics by the German Research Foundation in the Federal Republic of Germany, in 1993, the department was renamed accordingly. During the First and the Second World War both archives were intensively involved in the foreign and wartime planning of the empire and the Nazi state. Starting in 1936, "Confidential Reports from the Foreign Press" provided selected economic leaders and Nazi departments with "largely unfiltered information and comments on economic issues from foreign media and represented a unique feature in Nazi media policy". By acting with the informal means of a foreign cultural and information policy supplementing the military expansion policy, HWWA and IfW dedicated their services to the Nazi regime.
In 1996, a closer cooperation between HWWA and ZBW / Wirtschaftsarchiv began with the aim of merging the two archives. Since the beginning of 2001, the articles were indexed according to a new common classification system and made retrievable via a reference database, "EconPress". Following a recommendation from the evaluation within the Leibniz Association in 2003, the current press documentation was finished at the end of 2005 and the materials were frozen at the level reached; the existence of the HWWA ended in 2007 with the integration of its press documentation and library into the ZBW as a newly formed foundation under public law. Today, the press archive belongs to the infrastructures of the Leibniz Association. By 1919 at the latest, the Hamburg archive collected "press clippings on a global scale"; the archive was subdivided in four sections: The Sacharchiv with subject matter "from all countries and the whole world". For the individual countries and regions, which constituted the primary order criterion, up to 1200 individual topics were recorded.
Further special folders were created for individual events or questions "such as the Boer War, the issue of slavery or the Suez Canal". Since the late 1990s, collecting had focused on "domestic and international economic issues"; the Warenarchiv with national and international raw materials, semi-finished and finished products. The product names are subdivided into 980 upper and 3400 sub-terms. Here and regions represent the secondary order criterion; the Firmenarchiv with business reports, anniversary publications and press clippings of c. 36,000 domestic and foreign companies. In addition, material on several hundred institutions and international organizations and research institutes has been collected; the Personenarchiv with dossiers of about 16,000 people from business, science and society. More than 1400 sources have been evaluated for the press archives, their broad international distribution provides access to the history of political thought and receptive history of the covered topics.
The collected publications go back as far as 1826. While the persons archive was only available in paper form until its partial digitization, the holdings of the topics and companies archives have been saved every ten years on roll film or microfiche since the 1960s and the paper clippings were pulped; the holdings of the Kiel Wirtschaftsarchiv are less comprehensively documented. They are subdivided into a topics archive, which served the research and teaching of the IfW and, microfilmed up to 1945, a personal archive, only in paper form, which contains publications of these persons, a home archive with publications about the IfW itself in paper; the archive on corporate bodies, which in 1958 comprised 4800 companies and more than 5600 German and international scientific and cultural societies and institutions, political parties and trade associations. And represented "one of the most complete collections for twentieth-century business history" is not mentioned any more in the archive's profile.
The "war archive" of 1914-1918, which comprehended one million clippings, was destroyed by a bomb strike in 1942. For 1958, when six scientific experts and more than 30 employees in total were collecting and organizing the material, the total extent of the archive was estimated a
Integrated Authority File
The Integrated Authority File or GND is an international authority file for the organisation of personal names, subject headings and corporate bodies from catalogues. It is used for documentation in libraries and also by archives and museums; the GND is managed by the German National Library in cooperation with various regional library networks in German-speaking Europe and other partners. The GND falls under the Creative Commons Zero licence; the GND specification provides a hierarchy of high-level entities and sub-classes, useful in library classification, an approach to unambiguous identification of single elements. It comprises an ontology intended for knowledge representation in the semantic web, available in the RDF format; the Integrated Authority File became operational in April 2012 and integrates the content of the following authority files, which have since been discontinued: Name Authority File Corporate Bodies Authority File Subject Headings Authority File Uniform Title File of the Deutsches Musikarchiv At the time of its introduction on 5 April 2012, the GND held 9,493,860 files, including 2,650,000 personalised names.
There are seven main types of GND entities: LIBRIS Virtual International Authority File Information pages about the GND from the German National Library Search via OGND Bereitstellung des ersten GND-Grundbestandes DNB, 19 April 2012 From Authority Control to Linked Authority Data Presentation given by Reinhold Heuvelmann to the ALA MARC Formats Interest Group, June 2012