Spring (framework)

En informatique, Spring est un framework open source pour construire et définir l'infrastructure d'une application Java, dont il facilite le développement et les tests. En 2004, Rod Johnson a écrit le livre Expert One-on-One J2EE Design and Development qui explique les raisons de la création de Spring. Conteneur léger Spring est considéré comme un conteneur dit « léger ». La raison de ce nommage est expliquée par Erik Gollot dans l’introduction du document Introduction au framework Spring. Spring s’appuie principalement sur l’intégration de trois concepts clés :

L’inversion de contrôle est assurée de deux façons différentes : la recherche de dépendances et l'injection de dépendances ;

La programmation orientée aspect ;

Une couche d’abstraction.

La couche d’abstraction permet d’intégrer d’autres frameworks et bibliothèques avec une plus grande facilité. Cela se fait par l’apport ou non de couches d’abstraction spécifiques à des frameworks particuliers. Il est ai

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Predicting behavior of Twitter Users

Adela Maznikar

Social networks today are great source of data which can be used and analyzed in different ways. In our project the main goal is to predict the behavior of the users, more accurately said: we try to predict what will a particular user tweet in the future, when given a training set of existing URL mentions. The topic has been previously explored in the paper Outtweeting the Twitterers-Predicting Information Cascades in Microblogs by Wojciech Galuba, Karl Aberer, Dipanjan Chakraborty, Zoran Despotovic, Wolfgang Kellerer and our work is the extension of their research. As mentioned in their paper, accurate predictions can be used for many purposes. Some of them are: personalized recommendation, ranking and filtering of the stream of tweets that the user sees etc. Also. it can be used in predicting in virality of a certain URL which can help in marketing campaigns for predicting the success of that campaign. One of the main tasks on this project is: Build a framework which can rank, evaluate different models of predictions with online data. We made a tool/framework in Java that can work with different models of predictions, the evaluator just need to specify the model of prediction with very little code and the framework offers a lot of support for calculating usually used parameters in the model so the prediction is made really easier once the model is known. However in order to test if our framework works correctly, we implemented two models which will be described further in the report and we were working with offline data.

2011

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Framework for simulating deformable models and estimating their physical properties

Fabian Kappeler

This work describes the development of a software framework allowing to simulate range data acquired with different kind of sensors such as stereo camera and ultrasonic probe. The sensors characteristic error are modeled with probability density functions. The range data are used to describe the external shape of deformable objects and combining them with force measurements it allows to estimate the physical properties of the object.

2008

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High-Performance Transactional Event Processing

Antonio Cunei, Rachid Guerraoui, Jesper Honig Spring

This paper presents a transactional framework for low-latency, high-performance, concurrent event processing in Java. At the heart of our framework lies Reﬂexes, a restricted programming model for highly responsive systems. A Reﬂex task is an event processor that can run at a higher priority and preempt any other Java thread, including the garbage collector. It runs in an obstruction-free manner with time-oblivious code. We extend Reﬂexes with a publish/subscribe communication system, it- self based on an optimistic transactional event processing scheme, that provides eﬃcient coordination between time-critical, low-latency tasks.We report on the comparison with a commercial JVM, and show that it is possible for tasks to achieve 50 µs response times with way less than 1% of the executions failing to meet their deadlines.

Springer-Verlag New York, Ms Ingrid Cunningham, 175 Fifth Ave, New York, Ny 10010 Usa2009

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Framework Web

Un framework Web ou framework d'application Web est un framework logiciel conçu pour prendre en charge le développement d'applications Web, notamment des services Web, des ressources Web et des API

Programmation orientée aspect

La programmation orientée aspect ou POA (en anglais, aspect oriented programming ou AOP) est un paradigme de programmation qui permet de traiter séparément les préoccupations transversales (en angla

Convention plutôt que configuration

Convention plutôt que configuration (aussi connu sous le nom de coder par convention ; convention over configuration en anglais) est une pratique informatique qui tend à faire décroître le nombre de d

CS-422: Database systems

This course is intended for students who want to understand modern large-scale data analysis systems and database systems. It covers a wide range of topics and technologies, and will prepare students to be able to build such systems as well as read and understand recent research publications.