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The main academic full-text databases are open archives or link-resolution services, although others operate under different models such as mirroring or hybrid publishers. Such services typically provide access to full text and full-text search, but also metadata about items for which no full text is available.
The P versus NP problem is a major unsolved problem in theoretical computer science. Informally, it asks whether every problem whose solution can be quickly verified can also be quickly solved. Here, quickly means an algorithm that solves the task and runs in polynomial time exists, meaning the task completion time varies as a polynomial ...
The New York Public Library ( NYPL) is a public library system in New York City. With nearly 53 million items and 92 locations, the New York Public Library is the second-largest public library in the United States behind the Library of Congress and the fourth-largest public library in the world. [5] It is a private, non-governmental ...
In terms of why we can feel stuck here, the College Board really does identify problems and anxieties—admissions, tuition, challenging curriculum. These are all real problems. And sometimes, the ...
Online public access catalog. The online public access catalog ( OPAC ), now frequently synonymous with library catalog, is an online database of materials held by a library or group of libraries. Online catalogs have largely replaced the analog card catalogs previously used in libraries.
The College Board, styled as CollegeBoard, is an American not-for-profit organization that was formed in December 1899 as the College Entrance Examination Board ( CEEB) to expand access to higher education. While the College Board is not an association of colleges, it runs a membership association of institutions, including over 6,000 schools ...
The County Commission provides $2.1 million to the library system this fiscal year that started July 1. The committee decided to give the library board 60 days to show a plan on policing books ...
Computers and Intractability: A Guide to the Theory of NP-Completeness. Series of Books in the Mathematical Sciences (1st ed.). New York: W. H. Freeman and Company. ISBN 9780716710455. MR 0519066. OCLC 247570676.. This book is a classic, developing the theory, then cataloguing many NP-Complete problems. Cook, S.A. (1971). "The complexity of ...