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J2ee instrumentation for software aging root cause application component determination with aspectj

by Javier Alonso, Jordi Torres, Josep Ll. Berral - Proceedings of the 2010 IEEE International Symposium on Parallel and Distributed Processing, Workshops and Phd Forum, IPDPSW , 2010
"... Abstract—Unplanned system outages have a negative impact on company revenues and image. While the last decades have seen a lot of efforts from industry and academia to avoid them, they still happen and their impact is increasing. According to many studies, one of the most important causes of these o ..."
Abstract - Cited by 1 (0 self) - Add to MetaCart
of these outages is software aging. Software aging phenomena refers to the accumulation of errors, usually provoking resource con-tention, during long running application executions, like web applications, which normally cause applications/systems hang or crash. Determining the software aging root cause failure

Pinpoint: Problem Determination in Large, Dynamic Internet Services

by Mike Y. Chen, Emre Kiciman, Eugene Fratkin, Armando Fox, O Fox, Eric Brewer - In Proc. 2002 Intl. Conf. on Dependable Systems and Networks , 2002
"... Traditional problem determination techniques rely on static dependency models that are difficult to generate accurately in today's large, distributed, and dynamic application environments such as e-commerce systems. In this paper, we present a dynamic analysis methodology that automates problem ..."
Abstract - Cited by 298 (11 self) - Add to MetaCart
. To validate our methodology, we have implemented Pinpoint, a framework for root cause analysis on the J2EE platform that requires no knowledge of the application components. Pinpoint consists of three parts: a communications layer that traces client requests, a failure detector that uses traffic

Materials for an exploratory theory of the network society.

by Manuel Castells , Anthony Giddens , Alain Touraine , Anthony Smith , Benjamin Barber , Peter Hall , Roger-Pol Droit , Sophie Watson , Frank Webster , Krishan Kumar , David Lyon , Craig Calhoun , Jeffrey Henderson , Ramon Ramos , Jose E Rodrigues-Ibanez , Jose F Tezanos , Mary Kaldor , Stephen Jones , Christopher Freeman - The British Journal of Sociology , 2000
"... ABSTRACT This article aims at proposing some elements for a grounded theor y of the network society. The network society is the social structure characteristic of the Information Age, as tentatively identi ed by empirical, cross-cultural investigation. It permeates most societies in the world, in v ..."
Abstract - Cited by 122 (0 self) - Add to MetaCart
-temporal con gurations constitute cultures. They are enacted, reproduced, and ultimately transformed by social actors, rooted in the social structure, yet freely engaging in con ictive social practices, with unpredictable outcomes. A fundamental feature of social structure in the Information Age is its

Monitoring and Characterization of Component-Based Systems with Global Causality Capture

by Jun Li - Proceedings of the 23 rd International Conference on Distributed Computing Systems , 2003
"... Current software development techniques and tools lack the capability to characterize function call chains in multithreaded and distributed applications built upon component technologies like CORBA, COM and J2EE. The root cause is that causal linkage information necessary to trace end-to-end call ch ..."
Abstract - Cited by 9 (1 self) - Add to MetaCart
Current software development techniques and tools lack the capability to characterize function call chains in multithreaded and distributed applications built upon component technologies like CORBA, COM and J2EE. The root cause is that causal linkage information necessary to trace end-to-end call

Early-age nite element modelling of industrial ground oors

by P J Robins, J W Bishop, S A Austin
"... Abstract: A series of nite element (FE) models of ground oor slab behaviour has been developed and validated against in situ data from site instrumentations. Good agreement was obtained for thermal ow models, and the negative impact of air movement over the top of the slab has been highlighted. Plan ..."
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Abstract: A series of nite element (FE) models of ground oor slab behaviour has been developed and validated against in situ data from site instrumentations. Good agreement was obtained for thermal ow models, and the negative impact of air movement over the top of the slab has been highlighted

Volume I: Computer Science and Software Engineering

by Ioannis Z. Emiris, Victor Y. Pan, Elias P. Tsigaridas, Allen Tucker, Teo Gonzales, Jorge L. Diaz-herrera, Ioannis Z. Emiris, Victor Y. Pan, Elias P. Tsigaridas , 2013
"... Algebraic algorithms deal with numbers, vectors, matrices, polynomials, for-mal power series, exponential and differential polynomials, rational functions, algebraic sets, curves and surfaces. In this vast area, manipulation with matri-ces and polynomials is fundamental for modern computations in Sc ..."
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Algebraic algorithms deal with numbers, vectors, matrices, polynomials, for-mal power series, exponential and differential polynomials, rational functions, algebraic sets, curves and surfaces. In this vast area, manipulation with matri-ces and polynomials is fundamental for modern computations in Sciences and

Cultural Biases in Economic Exchange",

by Luigi Guiso , Paola Sapienza , Luigi Zingales , Franklin Allen , Marianne Baxter , Patricia Ledesma , Mitchell Petersen , Andrei Shleifer , Rene Stulz , Samuel Thompson , 2004
"... Abstract How much do cultural biases affect economic exchange? We try to answer this question by using the relative trust European citizens have for citizens of other countries. First, we document that this trust is affected not only by objective characteristics of the country being trusted, but al ..."
Abstract - Cited by 57 (4 self) - Add to MetaCart
for the objective characteristics of that country. This effect is stronger for good that are more trust intensive and doubles or triples when trust is instrumented with its cultural determinants. We conclude that perceptions rooted in culture are important (and generally omitted) determinants of economic exchange

SIMULATION, DEVELOPMENT AND DEPLOYMENT OF MOBILE WIRELESS SENSOR NETWORKS FOR MIGRATORY BIRD TRACKING

by Bird Tracking, William P. Bennett, William P., Development, Deployment Of, Mobile Wireless Sensor, William P. Bennett, William P. Bennett, Adviser Mehmet, C. Vuran , 2012
"... This thesis presents CraneTracker, a multi-modal sensing and communication system for monitoring migratory species at the continental level. By exploiting the robust and extensive cellular infrastructure across the continent, traditional mobile wireless sensor networks can be extended to enable reli ..."
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Tracker soft-ware system is presented. The system is shown effective through multiple proxy deploy-

Akademisk avhandling för teknisk doktorsexamen vid

by Kungl Tekniska Högskolan, Kth Tryck , 1994
"... mcmxciv This thesis deals with combinatorics in connection with Coxeter groups, finitely generated but not necessarily finite. The representation theory of groups as nonsingular matrices over a field is of immense theoretical importance, but also basic for computational group theory, where the group ..."
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mcmxciv This thesis deals with combinatorics in connection with Coxeter groups, finitely generated but not necessarily finite. The representation theory of groups as nonsingular matrices over a field is of immense theoretical importance, but also basic for computational group theory, where the group elements are data structures in a computer. Matrices are unnecessarily large structures, and part of this thesis is concerned with small and efficient representations of a large class of Coxeter groups (including most Coxeter groups that anyone ever payed any attention to.) The main contents of the thesis can be summarized as follows. • We prove that for all Coxeter graphs constructed from an n-path of unlabelled edges by adding a new labelled edge and a new vertex (sometimes two new edges and vertices), there is a permutational representation of the corresponding group. Group elements correspond to integer n-sequences and the nodes in the path generate all n! permutations. The extra node has a more complicated action, adding a certain quantity to some of the numbers.

c Copyright by

by Paul Sivilotti, Dong Xuan, Xiaodong Zhang, Hongwei Zhang
"... Messaging is a basic service in sensornets. Yet the unique system and application prop-erties of sensornets pose substantial challenges for the messaging design: Firstly, dynamic wireless links, constrained resources, and application diversity challenge the architecture and protocol design of sensor ..."
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design issues. More specically, we propose the messaging architecture SMA that consists of three components: trafc-adaptive link estimation and routing (TLR), application-adaptive structuring (AST), and application-adaptive scheduling (ASC). TLR deals with dynamic wireless links as well as the impact
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