Concept

Ada Lovelace

Publications associées (7)

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LAQy: Efficient and Reusable Query Approximations via Lazy Sampling

Anastasia Ailamaki, Periklis Chrysogelos, Viktor Sanca

Modern analytical engines rely on Approximate Query Processing (AQP) to provide faster response times than the hardware allows for exact query answering. However, existing AQP methods impose steep performance penalties as workload unpredictability increase ...

2023

Sampling-Based AQP in Modern Analytical Engines

Anastasia Ailamaki, Viktor Sanca

As the data volume grows, reducing the query execution times remains an elusive goal. While approximate query processing (AQP) techniques present a principled method to trade off accuracy for faster queries in analytics, the sample creation is often consid ...

ACM2022

Efficient Analytical Query Processing on CPU-GPU Hardware Platforms

Periklis Chrysogelos

Timely insights lead to business growth and scientific breakthroughs but require analytical engines that cope with the ever-increasing data processing needs. Analytical engines relied on rapid CPU improvements, yet the end of Dennard scaling stopped the fr ...

EPFL2022

Implementing Exceptions in Open Multithreaded Transactions

Jörg Kienzle

This position paper shows how Ada 95 exceptions have been used in a prototype implementation of a transaction support in order to provide more elaborate exception handling. The paper summarizes the open multithreaded transaction model, which is a transacti ...

ACM Press2001

Combining Tasking and Transactions, Part II: Open Multithreaded Transactions

Jörg Kienzle

This position paper is a follow-up paper of the one presented at the last IRTAW workshop. The paper describes a model for providing transaction support for concurrent programming languages such as Ada 95. In order to achieve smooth integration, the use of ...

ACM Press2001

Transaction Support for Ada

Jörg Kienzle

This paper describes the transaction support framework OPTIMA and its implementation for Ada 95. First, a transaction model that fits concurrent programming languages is presented. Then the design of the framework is given. Applications from many different ...

Springer Verlag2001

Contribution à une méthode de conception par objets pour des logiciels ADA

This work proposes an object oriented design method for Ada software. The mehod is mainly intended for software engineers who are not experts in object oriented design, in the context of a course as well as in the context of a firm wanting to acquire exper ...

EPFL1993