Analysis And Enumeration
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Analysis And Enumeration
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Author : Andrea Marino
language : en
Publisher: Springer
Release Date : 2015-03-23
Analysis And Enumeration written by Andrea Marino and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-03-23 with Computers categories.
In this work we plan to revise the main techniques for enumeration algorithms and to show four examples of enumeration algorithms that can be applied to efficiently deal with some biological problems modelled by using biological networks: enumerating central and peripheral nodes of a network, enumerating stories, enumerating paths or cycles, and enumerating bubbles. Notice that the corresponding computational problems we define are of more general interest and our results hold in the case of arbitrary graphs. Enumerating all the most and less central vertices in a network according to their eccentricity is an example of an enumeration problem whose solutions are polynomial and can be listed in polynomial time, very often in linear or almost linear time in practice. Enumerating stories, i.e. all maximal directed acyclic subgraphs of a graph G whose sources and targets belong to a predefined subset of the vertices, is on the other hand an example of an enumeration problem with an exponential number of solutions, that can be solved by using a non trivial brute-force approach. Given a metabolic network, each individual story should explain how some interesting metabolites are derived from some others through a chain of reactions, by keeping all alternative pathways between sources and targets. Enumerating cycles or paths in an undirected graph, such as a protein-protein interaction undirected network, is an example of an enumeration problem in which all the solutions can be listed through an optimal algorithm, i.e. the time required to list all the solutions is dominated by the time to read the graph plus the time required to print all of them. By extending this result to directed graphs, it would be possible to deal more efficiently with feedback loops and signed paths analysis in signed or interaction directed graphs, such as gene regulatory networks. Finally, enumerating mouths or bubbles with a source s in a directed graph, that is enumerating all the two vertex-disjoint directed paths between the source s and all the possible targets, is an example of an enumeration problem in which all the solutions can be listed through a linear delay algorithm, meaning that the delay between any two consecutive solutions is linear, by turning the problem into a constrained cycle enumeration problem. Such patterns, in a de Bruijn graph representation of the reads obtained by sequencing, are related to polymorphisms in DNA- or RNA-seq data.
Enumerations
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Author : Andrew Piper
language : en
Publisher: University of Chicago Press
Release Date : 2018-09-04
Enumerations written by Andrew Piper and has been published by University of Chicago Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-09-04 with Literary Criticism categories.
For well over a century, academic disciplines have studied human behavior using quantitative information. Until recently, however, the humanities have remained largely immune to the use of data—or vigorously resisted it. Thanks to new developments in computer science and natural language processing, literary scholars have embraced the quantitative study of literary works and have helped make Digital Humanities a rapidly growing field. But these developments raise a fundamental, and as yet unanswered question: what is the meaning of literary quantity? In Enumerations, Andrew Piper answers that question across a variety of domains fundamental to the study of literature. He focuses on the elementary particles of literature, from the role of punctuation in poetry, the matter of plot in novels, the study of topoi, and the behavior of characters, to the nature of fictional language and the shape of a poet’s career. How does quantity affect our understanding of these categories? What happens when we look at 3,388,230 punctuation marks, 1.4 billion words, or 650,000 fictional characters? Does this change how we think about poetry, the novel, fictionality, character, the commonplace, or the writer’s career? In the course of answering such questions, Piper introduces readers to the analytical building blocks of computational text analysis and brings them to bear on fundamental concerns of literary scholarship. This book will be essential reading for anyone interested in Digital Humanities and the future of literary study.
Combinatorial Enumeration Of Groups Graphs And Chemical Compounds
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Author : Georg Polya
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Combinatorial Enumeration Of Groups Graphs And Chemical Compounds written by Georg Polya 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 2012-12-06 with Mathematics categories.
In 1937 there appeared a paper that was to have a profound influence on the progress of combinatorial enumeration, both in its theoretical and applied aspects. Entitled Kombinatorische Anzahlbest immungen jUr Gruppen, Graphen und chemische Verbindungen, it was published in Acta Mathematica, Vol. 68, pp. 145 to 254. Its author, George Polya, was already a mathematician of considerable stature, well-known for outstanding work in many branches of mathematics, particularly analysis. The paper in Question was unusual in that it depended almost entirely on a single theorem -- the "Hauptsatz" of Section 4 -- a theorem which gave a method for solving a general type of enumera tion problem. On the face of it, this is not something that one would expect to run to over 100 pages. Yet the range of the applica tions of the theorem and of its ramifications was enormous, as Polya clearly showed. In the various sections of his paper he explored many applications to the enumeration of graphs, principally trees, and of chemical isomers, using his theorem to present a comprehen sive and unified treatment of problems which had previously been solved, if at all, only by ad hoc methods. In the final section he investigated the asymptotic properties of these enumerational results, bringing to bear his formidable insight as an analyst
Footprinting Reconnaissance Scanning And Enumeration Techniques Of Computer Networks
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Author : Dr. Hidaia Mahmood Alassouli
language : en
Publisher: Dr. Hidaia Mahmood Alassouli
Release Date : 2021-04-18
Footprinting Reconnaissance Scanning And Enumeration Techniques Of Computer Networks written by Dr. Hidaia Mahmood Alassouli and has been published by Dr. Hidaia Mahmood Alassouli this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-04-18 with Computers categories.
Reconnaissance is a set of processes and techniques (Footprinting, Scanning & Enumeration) used to covertly discover and collect information about a target system. During reconnaissance, an ethical hacker attempts to gather as much information about a target system as possible. Footprinting refers to the process of collecting as much as information as possible about the target system to find ways to penetrate into the system. An Ethical hacker has to spend the majority of his time in profiling an organization, gathering information about the host, network and people related to the organization. Information such as ip address, Whois records, DNS information, an operating system used, employee email id, Phone numbers etc is collected. Network scanning is used to recognize available network services, discover and recognize any filtering systems in place, look at what operating systems are in use, and to protect the network from attacks. It can also be used to determine the overall health of the network. Enumeration is defined as the process of extracting user names, machine names, network resources, shares and services from a system. The gathered information is used to identify the vulnerabilities or weak points in system security and tries to exploit in the System gaining phase. The objective of the report is to explain to the user Footprinting, Reconnaissance, Scanning and Enumeration techniques and tools applied to computer networks The report contains of the following parts: · Part A: Lab Setup · Part B: Foot printing and Reconnaissance · Part C: Scanning Methodology · Part D: Enumeration
An Introduction To Enumeration
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Author : Alan Camina
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-05-16
An Introduction To Enumeration written by Alan Camina 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 2011-05-16 with Mathematics categories.
Written for students taking a second or third year undergraduate course in mathematics or computer science, this book is the ideal companion to a course in enumeration. Enumeration is a branch of combinatorics where the fundamental subject matter is numerous methods of pattern formation and counting. Introduction to Enumeration provides a comprehensive and practical introduction to this subject giving a clear account of fundamental results and a thorough grounding in the use of powerful techniques and tools. Two major themes run in parallel through the book, generating functions and group theory. The former theme takes enumerative sequences and then uses analytic tools to discover how they are made up. Group theory provides a concise introduction to groups and illustrates how the theory can be used to count the number of symmetries a particular object has. These enrich and extend basic group ideas and techniques. The authors present their material through examples that are carefully chosen to establish key results in a natural setting. The aim is to progressively build fundamental theorems and techniques. This development is interspersed with exercises that consolidate ideas and build confidence. Some exercises are linked to particular sections while others range across a complete chapter. Throughout, there is an attempt to present key enumerative ideas in a graphic way, using diagrams to make them immediately accessible. The development assumes some basic group theory, a familiarity with analytic functions and their power series expansion along with some basic linear algebra.
Enumeration Without Repetition
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Author : Hilary Putnam
language : en
Publisher:
Release Date : 1961
Enumeration Without Repetition written by Hilary Putnam and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1961 with Mathematics categories.
An example is constructed of a recursively enumerable family of recursively enumerable sets which can not be recursively enumerated without repetitions.
Penetration Tester S Open Source Toolkit
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Author : Jeremy Faircloth
language : en
Publisher: Elsevier
Release Date : 2011-08-25
Penetration Tester S Open Source Toolkit written by Jeremy Faircloth and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-08-25 with Computers categories.
Penetration Tester’s Open Source Toolkit, Third Edition, discusses the open source tools available to penetration testers, the ways to use them, and the situations in which they apply. Great commercial penetration testing tools can be very expensive and sometimes hard to use or of questionable accuracy. This book helps solve both of these problems. The open source, no-cost penetration testing tools presented do a great job and can be modified by the student for each situation. This edition offers instruction on how and in which situations the penetration tester can best use them. Real-life scenarios support and expand upon explanations throughout. It also presents core technologies for each type of testing and the best tools for the job. The book consists of 10 chapters that covers a wide range of topics such as reconnaissance; scanning and enumeration; client-side attacks and human weaknesses; hacking database services; Web server and Web application testing; enterprise application testing; wireless penetrating testing; and building penetration test labs. The chapters also include case studies where the tools that are discussed are applied. New to this edition: enterprise application testing, client-side attacks and updates on Metasploit and Backtrack. This book is for people who are interested in penetration testing or professionals engaged in penetration testing. Those working in the areas of database, network, system, or application administration, as well as architects, can gain insights into how penetration testers perform testing in their specific areas of expertise and learn what to expect from a penetration test. This book can also serve as a reference for security or audit professionals. Details current open source penetration testing tools Presents core technologies for each type of testing and the best tools for the job New to this edition: Enterprise application testing, client-side attacks and updates on Metasploit and Backtrack
Results From An Alternative Enumeration In A Mexican And Mexican American Farm Worker Community In California Ethnographic Evaluation Of The Behavioral Causes Of Undercount
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Author : Víctor García
language : en
Publisher:
Release Date : 1992
Results From An Alternative Enumeration In A Mexican And Mexican American Farm Worker Community In California Ethnographic Evaluation Of The Behavioral Causes Of Undercount written by Víctor García and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Census undercounts categories.
Rapid Detection Characterization And Enumeration Of Foodborne Pathogens
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Author : J. Hoorfar
language : en
Publisher: American Society for Microbiology Press
Release Date : 2011-04-18
Rapid Detection Characterization And Enumeration Of Foodborne Pathogens written by J. Hoorfar and has been published by American Society for Microbiology Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-04-18 with Science categories.
Detect foodborne pathogens early and minimize consumer exposure. • Presents the latest guidelines for fast, easy, cost-effective foodborne pathogen detection. • Enables readers to avoid common pitfalls and choose the most effective and efficient method, assemble the necessary resources, and implement the method seamlessly. • Includes first-hand laboratory experience from more than 85 experts from research centers across the globe.
Advances In Cryptology Eurocrypt 2010
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Author : Henri Gilbert
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-05-20
Advances In Cryptology Eurocrypt 2010 written by Henri Gilbert 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 2010-05-20 with Business & Economics categories.
This book constitutes the refereed proceedings of the 29th Annual International Conference on the Theory and Applications of Cryptographic Techniques, EUROCRYPT 2010, held on the French Riviera, in May/June 2010. The 33 revised full papers presented together with 1 invited lecture were carefully reviewed and selected from 188 submissions. The papers address all current foundational, theoretical and research aspects of cryptology, cryptography, and cryptanalysis as well as advanced applications. The papers are organized in topical sections on cryptosystems; obfuscation and side channel security; 2-party protocols; cryptanalysis; automated tools and formal methods; models and proofs; multiparty protocols; hash and MAC; and foundational primitives.