Java - Beyond The Hype

Cornell, Gary; Horstmann, Cay S.

doi:10.1007/978-1-4471-0973-0_32

Cited by 12 publications

(15 citation statements)

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“…The inputs are input#0 and input#1 13 . The user specifies in which port 14 (input) he wants to get the specified argument by specifying the port number to the parenthesis e.g.…”

Section: Remote Object Implementationmentioning

confidence: 99%

Coastal zone management

2010

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The need for accurate data retrieval and use has become a very important issue in the field of ocean sciences, engineering and management. The amount of data collected and processed daily is vast and is expected to increase considerably in the following years. Above this, the lack of a globally accepted protocol for storing this data has created a lot of confusion and delays in using the data. The existing tools used to simulate the ocean environment, for reasons of prediction or research, are considered to be highly computationally intensive. Most of them also consist of large monolithic computer programs that are custom made to operate in a specific environment. In order to simulate accurately the ocean environment, either for forecasting or research, a lot of these applications should be able to work together. This could happen either by developing new software that will do so, extending the ones that exist to do so or find a way to link the existing software in a distributed environment as if they were together. In the case of extending or building new software that will handle all the tasks, we would find ourselves to be limited by the computational power of the existing computers. The need for fast computation and database integration leads to a distributed environment that includes a large number of computational resources, which are able to communicate with each other.This thesis describes the framework for distributing and linking applications over the World Wide Web (www). This thesis is part of a larger project code named Poseidon, which also involves the implementation of a Metadata Standard for data storage and retrieval.A tool also named HTMLParser is presented that can be used to automate the procedure of data mining from the www. The HTMLParser automates the procedure of database querying. It is used to extract specific information from the response of a database query and make it available to the user as an object for the Poseidon environment. The HTMLParser can become a very useful tool especially due to the increased rate of database porting on the Internet.

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“…The inputs are input#0 and input#1 13 . The user specifies in which port 14 (input) he wants to get the specified argument by specifying the port number to the parenthesis e.g.…”

Section: Remote Object Implementationmentioning

confidence: 99%

Coastal zone management

2010

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“…The Java enforcement module is implemented as a Java security manager [6]. A Java security manager is a class that provides a set of access-control methods, such as checkExec, checkRead, and checkExit.…”

Section: Authorization and Enforcementmentioning

confidence: 99%

“…The commercial Java-based systems, such as Odyssey [8], Voyager [29], Concordia [35], and IBM Aglets [17], all cryptographically sign the migrating Java code and then enforce access restrictions with the standard Java security mechanisms, i.e., customized class loaders and security managers [6].…”

Section: Introductionmentioning

confidence: 99%

“…D'Agents does focus on security issues and provides relatively complete protection for machines. Agents are cryptographically signed using PGP [15], while access restrictions are enforced with Safe Tcl [18], Java security managers [6], and Scheme 48 modules. Unlike most mobile-agent systems, D'Agents is designed to support multiple languages, and thus focuses on cleanly separating enforcement from policy and on implementing as much of the security mechanisms as possi-ble in a language-independent manner.…”

Section: Introductionmentioning

confidence: 99%

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D’Agents: Security in a Multiple-Language, Mobile-Agent System

Gray

Kotz

Cybenko

et al. 1998

Lecture Notes in Computer Science

119

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Abstract. Mobile-agent systems must address three security issues: protecting an individual machine, protecting a group of machines, and protecting an agent. In this chapter, we discuss these three issues in the context of D'Agents, a mobile-agent system whose agents can be written in Tcl, Java and Scheme. (D'Agents was formerly known as Agent Tcl.) First we discuss mechanisms existing in D'Agents for protecting an individual machine: (1) cryptographic authentication of the agent's owner, (2) resource managers that make policy decisions based on the owner's identity, and (3) secure execution environments for each language that enforce the decisions of the resource managers. Then we discuss our planned market-based approach for protecting machine groups. Finally we consider several (partial) solutions for protecting an agent from a malicious machine.

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“…The answer is yes; this is in fact the idea behind object oriented programming (Cornell and Horstmann, 1997;Lunn et al, 2000;Reiser and Wirth, 1992). The success of the BUGS software (Lunn et al, 2000;Spiegelhalter et al, 1996b) has been largely due to its exploitation of the conceptual similarities between graphical modelling theory and object oriented programming, which have enabled its authors to produce a very general package that is also 'open-ended' (extensible) -new distributions and functions can be added with relative ease (Lunn, 2003), and specialized interfaces for defining particularly complex models may also be programmed (Lunn et al, 2002;Thomas et al, 2004).…”

Section: Introduction Markov Chain Monte Carlo (Mcmc) Techniquesmentioning

confidence: 99%

Generic reversible jump MCMC using graphical models

2008

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Markov chain Monte Carlo techniques have revolutionized the field of Bayesian statistics. Their enormous power and their generalizability have rendered them the method of choice for statistical inference in many scientific disciplines. Their power is so great that they can even accommodate situations in which the structure of the statistical model itself is uncertain. However, the analysis of such "trans-dimensional" models is not easy, with several significant technical and practical difficulties to overcome. In this paper we present a class of graphical models that allow relatively straightforward analysis of a subset of these trans-dimensional problems. We also present a 'guided tour' of the reversible jump methodology underlying our approach and discuss how each of the various difficulties has been circumvented. Our approach has been implemented using the Win-BUGS framework as a Gibbs-Metropolis sampling 'engine'. The main advantage of this is that it affords the analyst much modelling flexibility: trans-dimensional sub-graphs may be used as generic components within an arbitrarily wide range of Bayesian graphical models. We present three example analyses to illustrate our approach.

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Java - Beyond The Hype

Cited by 12 publications

References 0 publications

Coastal zone management

Coastal zone management

D’Agents: Security in a Multiple-Language, Mobile-Agent System

Generic reversible jump MCMC using graphical models

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