Index Of Limited Documents Releasable To Dtic Users
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Index Of Limited Documents Releasable To Dtic Users
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Author :
language : en
Publisher:
Release Date : 1980-11
Index Of Limited Documents Releasable To Dtic Users written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980-11 with Science categories.
Technical Abstract Bulletin
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Author :
language : en
Publisher:
Release Date : 1982
Technical Abstract Bulletin written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Science categories.
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1995-08
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-08 with Aeronautics categories.
Government Reports Announcements Index
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Author :
language : en
Publisher:
Release Date : 1993-08
Government Reports Announcements Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993-08 with Science categories.
Directory Of Special Libraries And Information Centers
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Author :
language : en
Publisher:
Release Date : 2009
Directory Of Special Libraries And Information Centers written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Information services categories.
A Generative Theory Of Relevance
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Author : Victor Lavrenko
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-11-14
A Generative Theory Of Relevance written by Victor Lavrenko and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-11-14 with Computers categories.
A modern information retrieval system must have the capability to find, organize and present very different manifestations of information – such as text, pictures, videos or database records – any of which may be of relevance to the user. However, the concept of relevance, while seemingly intuitive, is actually hard to define, and it's even harder to model in a formal way. Lavrenko does not attempt to bring forth a new definition of relevance, nor provide arguments as to why any particular definition might be theoretically superior or more complete. Instead, he takes a widely accepted, albeit somewhat conservative definition, makes several assumptions, and from them develops a new probabilistic model that explicitly captures that notion of relevance. With this book, he makes two major contributions to the field of information retrieval: first, a new way to look at topical relevance, complementing the two dominant models, i.e., the classical probabilistic model and the language modeling approach, and which explicitly combines documents, queries, and relevance in a single formalism; second, a new method for modeling exchangeable sequences of discrete random variables which does not make any structural assumptions about the data and which can also handle rare events. Thus his book is of major interest to researchers and graduate students in information retrieval who specialize in relevance modeling, ranking algorithms, and language modeling.
Terrorist Use Of Cryptocurrencies
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Author : Cynthia Dion-Schwarz
language : en
Publisher: Rand Corporation
Release Date : 2019-03-26
Terrorist Use Of Cryptocurrencies written by Cynthia Dion-Schwarz and has been published by Rand Corporation this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-03-26 with Political Science categories.
The success of counterterrorism finance strategies in reducing terrorist access to official currencies has raised concerns that terrorist organizations might increase their use of such digital cryptocurrencies as Bitcoin to support their activities. RAND researchers thus consider the needs of terrorist groups and the advantages and disadvantages of the cryptocurrency technologies available to them.
Options For Strengthening All Source Intelligence
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Author : Cortney Weinbaum
language : en
Publisher:
Release Date : 2022-04-30
Options For Strengthening All Source Intelligence written by Cortney Weinbaum and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-04-30 with History categories.
Foreign attacks against the United States occur frequently. The authors propose game-changing ideas to enable intelligence analysts to address long-standing challenges related to the use of open sources, analytic tradecraft, and politicization
Subject Directory Of Special Libraries
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Author : Cengage Gale
language : en
Publisher: Gale Cengage
Release Date : 2000-09-15
Subject Directory Of Special Libraries written by Cengage Gale and has been published by Gale Cengage this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-09-15 with Language Arts & Disciplines categories.