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Library Catalog
A library catalog or library catalogue is a register of all bibliographic items found in a library or group of libraries, such as a network of libraries at several locations. A bibliographic item can be any information entity (e.g., books, computer files, graphics, realia, cartographic materials, etc.) that is considered library material (e.g., a single novel in an anthology), or a group of library materials (e.g., a trilogy), or linked from the catalog (e.g., a webpage) as far as it is relevant to the catalog and to the users (patrons) of the library. The card catalog was a familiar sight to library users for generations, but it has been effectively replaced by the online public access catalog (OPAC). Some still refer to the online catalog as a "card catalog". Some libraries with OPAC access still have card catalogs on site, but these are now strictly a secondary resource and are seldom updated. Many libraries that retain their physical card catalog will post a sign advising the last year that the card catalog was updated. Some libraries have eliminated their card catalog in favour of the OPAC for the purpose of saving space for other use, such as additional shelving. The largest library catalog in the world is the WorldCat.org union catalog managed by the non-profit library cooperative OCLC, based in Dublin, Ohio. In January 2016, WorldCat.org had over 360,000,000 catalog records and over 2 billion library holdings.
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  • 21 Oct 2022
Topic Review
Mooning
Mooning is the act of displaying one's bare buttocks by removing clothing, e.g., by lowering the backside of one's trousers and underpants, usually bending over, whether also exposing the genitals or not. Mooning is used in the English-speaking world to express protest, scorn, disrespect, or provocation, or can be done for shock value, fun, or as a form of exhibitionism. Some jurisdictions regard mooning to be indecent exposure, sometimes depending on the context.
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  • 27 Oct 2022
Topic Review
Date Seed Oil
The date seed is an important by-product for date fruit manufacturers. Its use as source of different added-value compounds could be of great interest. Oil accounts for around 5-13% of the seed weight and its composition in phytochemicals makes it valuable for the food, cosmetic, pharmaceutical, and chemical industries.
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  • 13 Jan 2022
Topic Review
Causes of Food Overconsumption
When people refer to food, overconsumption means overeating, and is the situation in which an individual consumes food above the body’s energy requirements in relation to energy expenditure, leading to excess fat in the body. When practiced constantly for long periods of time, and coupled with lack of physical activity, overeating is the principal cause of overweight and obesity in both adults and children. Another aspect of overconsumption is that it is mainly due to an excessive intake of free sugars, fat, animal products and alcohol. The factors that lead to overeating are multiple, and difficult to identify exactly, but they can be grouped in helpful categories: global factors, societal factors, educational factors, and individual factors.
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  • 01 Aug 2022
Topic Review
CNBC Ticker
The CNBC Ticker is a computer simulation of ticker tapes used by the United States business news-oriented television network CNBC (as well as its international sister channels), that is displayed as a crawl on the lower part of the television screen. The CNBC Ticker shows security and index symbols in the manner of the ticker tapes that received information by telegraph. The security identifiers used on the CNBC Ticker are taken from nomenclatures used by third-party companies like Reuters or from global stock exchanges. The ticker is composed of a faster-scrolling upper band with a white background and a slower-scrolling lower band with a dark blue background for all CNBC channels. In addition for some channels, such as CNBC Europe; CNBC-e; CNBC Arabiya and Class CNBC, a third business news band is displayed in gray with a black background. The ticker is shown throughout the duration of financial news programming on CNBC's domestic and international channels, including national commercial breaks. However, in the United States and Canada , advertisements that are locally inserted by cable television providers may be shown full-screen, omitting the ticker from being displayed during local breaks (as of 2013, all ad inserts by cable television providers, as well as satellite television providers DirecTV and Dish Network are now shown full-screen).
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  • 18 Oct 2022
Topic Review
Technological Dualism
Technological dualism was proposed by Benjamin Higgins. He was the Ritchie Professor of Economics at the University of Melbourne in the late 1940s. His theory explains the causes of unemployment in the underdeveloped economies. Developing countries of today are often characterized by dualistic economies. One is the modern (or formal) sector while the other is the traditional (informal) sector. Their relation has been explained by Higgins in his theory explained below.
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  • 23 Nov 2022
Topic Review
List of Assyrian Tribes
This page features a list of Assyrian clans or tribes historically centered in the Hakkari, Sirnak and Mardin provinces in Turkey and West Azerbaijan Province in Iran, prior to 1915, or before Seyfo, when they were historically Assyrian settlements, before early 20th century resettlement in Northern Iraq (which simultaneously had Catholic-Assyrian tribes since the 1st millennium) and northwestern Syria (namely in Al-Hasakah) after they were displaced, slaughtered and driven out by Ottoman Turks in 1915 and in the early 1930s, respectively, during the Simele massacre where they endured a similar anguish and predicament. From around 2500 BC, Assyrians primarily lived in the ancient Assyrian cities of Nineveh, Assur, Nohadra, Arrapha and Arbela, which now lie in modern-day northern Iraq, and as well as the mountainous Assyrian region of Hakkari in what is now Turkey, from around 2300 BC. Though after the spread of Islam, many eventually left the ancient Assyrian cities in the Nineveh Plains, where they settled and found refuge in the highland region in southeastern Anatolia, with the existing Assyrian population, and northwestern Iran. The villages in southeastern Turkey are primarily centred in the modern-day towns of Yuksekova, Çukurca and Semdinli in Hakkâri, Uludere in Sirnak Province and Tur Abdin in Mardin Province. Most of the historical Assyrian tribes are located in the region stretching from Tur Abdin to Hakkari, in Upper Mesopotamia, which formed the Nairi lands, serving as the northern Assyrian frontier and border with their Urartian rivals. The Assyrians of this region were Nestorian Christians adhering to the Assyrian Church of the East and lived here until 1924, when the very last Assyrians who survived the Assyrian Genocide and massacres that occurred during 1918 were expelled. Most subsequently moved to the Nahla valley in northern Iraq or elsewhere. The people of these tribes are an ancient people of Mesopotamia who speak Assyrian Neo-Aramaic, a modern Syriac language that's derived from old Aramaic and has influences of Akkadian. In the early-mid 20th century, most settled in Iraq, Jordan, Syria and Iran, where many eventually immigrated to the western world in recent years.
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  • 02 Dec 2022
Topic Review
Polio Virus
Poliovirus is a member of a family of viruses called the Picornaviridae.
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  • 16 Sep 2022
Topic Review
Death Anxiety
Death anxiety is an unavoidable common phenomenon in our lives across cultures and religions. It is multidimensional and explained by different theoretical frameworks. Death anxiety can have negative impacts on wellbeing. Death is an inevitable experience that generates a reduced sense of safety and stronger fear (Alkozei et al. 2019). 
  • 6.7K
  • 06 Feb 2021
Topic Review
Application of Standardized Regression Coefficient in Meta-Analysis
The β coefficient is the estimate resulting from an analysis carried out on variables that have been standardized so that their standard deviations (and variances) are equal to one. Therefore, the standardized coefficient refers to how many standard deviations the response or outcome variable will change per a standard deviation increase in the explanatory or predictor variable. Thus, the standardized coefficient β can be regarded as an attempt to make regression coefficients more comparable, and can be used as an effect-size estimate when the exposure levels in original studies are measured in different units of measurement.
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  • 14 Sep 2022
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