Search results
Results from the WOW.Com Content Network
PDF's emphasis on preserving the visual appearance of documents across different software and hardware platforms poses challenges to the conversion of PDF documents to other file formats and the targeted extraction of information, such as text, images, tables, bibliographic information, and document metadata. Numerous tools and source code ...
Images of canceled U.S. postage stamps including meter stamps may be published in color or black and white, [2] sized to be the "exact" size, no more than three-fourths of life size, or at least one and a half times life size, measured along each dimension, with partial images subject to the same ratio requirements. [3]
This image is a map derived from a United Nations map.. Unless stated otherwise, UN maps are to be considered in the public domain. This applies worldwide. Some UN maps have special copyrights, as indicated on the map itself.
This is a list of links to articles on software used to manage Portable Document Format (PDF) documents. The distinction between the various functions is not entirely clear-cut; for example, some viewers allow adding of annotations, signatures, etc.
For example, in the Library of Congress Subject Headings [6] (a subject heading system that uses a controlled vocabulary), preferred terms—subject headings in this case—have to be chosen to handle choices between variant spellings of the same word (American versus British), choice among scientific and popular terms (cockroach versus ...
A thesaurus (pl.: thesauri or thesauruses), sometimes called a synonym dictionary or dictionary of synonyms, is a reference work which arranges words by their meanings (or in simpler terms, a book where one can find different words with similar meanings to other words), [1] [2] sometimes as a hierarchy of broader and narrower terms, sometimes simply as lists of synonyms and antonyms.
Passport control by police or immigration officers may be in place on some kinds of border but citizens of the destination territory or participating territories are permitted to cross using at most an identity card without any further approval, restrictions or conditions. Examples of the most open type of border include the Schengen zone or ...
This list of the most commonly challenged books in the United States refers to books sought to be removed or otherwise restricted from public access, typically from a library or a school curriculum. This list is primarily based on U.S. data gathered by the American Library Association 's Office for Intellectual Freedom (OIF), which gathers data ...