Search Results - "Pacitti, Esther"

Parallel query processing in a polystore by Kranas, Pavlos, Kolev, Boyan, Levchenko, Oleksandra, Pacitti, Esther, Valduriez, Patrick, Jiménez-Peris, Ricardo, Patiño-Martinez, Marta

“…The blooming of different data stores has made polystores a major topic in the cloud and big data landscape. As the amount of data grows rapidly, it becomes…”
Get full text

Parallel computation of PDFs on big spatial data using Spark by Liu, Ji, Lemus, Noel Moreno, Pacitti, Esther, Porto, Fabio, Valduriez, Patrick

“…We consider big spatial data, which is typically produced in scientific areas such as geological or seismic interpretation. The spatial data can be produced by…”
Get full text

Provenance-and machine learning-based recommendation of parameter values in scientific workflows by Silva Junior, Daniel, Pacitti, Esther, Paes, Aline, de Oliveira, Daniel

“…Scientific Workflows (SWfs) have revolutionized how scientists in various domains of science conduct their experiments. The management of SWfs is performed by…”
Get full text

A Survey of Data-Intensive Scientific Workflow Management by Liu, Ji, Pacitti, Esther, Valduriez, Patrick, Mattoso, Marta

“…Nowadays, more and more computer-based scientific experiments need to handle massive amounts of data. Their data processing consists of multiple computational…”
Get full text

TSPred: A framework for nonstationary time series prediction by Salles, Rebecca, Pacitti, Esther, Bezerra, Eduardo, Porto, Fabio, Ogasawara, Eduardo

“…The nonstationary time series prediction is challenging since it demands knowledge of both data transformation and prediction methods. This paper presents…”
Get full text

Efficient Scheduling of Scientific Workflows Using Hot Metadata in a Multisite Cloud by Liu, Ji, Pineda, Luis, Pacitti, Esther, Costan, Alexandru, Valduriez, Patrick, Antoniu, Gabriel, Mattoso, Marta

“…Large-scale, data-intensive scientific applications are often expressed as scientific workflows (SWfs). In this paper, we consider the problem of efficient…”
Get full text

Multi-objective scheduling of Scientific Workflows in multisite clouds by Liu, Ji, Pacitti, Esther, Valduriez, Patrick, de Oliveira, Daniel, Mattoso, Marta

“…Clouds appear as appropriate infrastructures for executing Scientific Workflows (SWfs). A cloud is typically made of several sites (or data centers), each with…”
Get full text

SoftED: Metrics for soft evaluation of time series event detection by Salles, Rebecca, Lima, Janio, Reis, Michel, Coutinho, Rafaelli, Pacitti, Esther, Masseglia, Florent, Akbarinia, Reza, Chen, Chao, Garibaldi, Jonathan, Porto, Fabio, Ogasawara, Eduardo

Get full text

Crowdsourcing Thousands of Specialized Labels: A Bayesian Active Training Approach by Servajean, Maximilien, Joly, Alexis, Shasha, Dennis, Champ, Julien, Pacitti, Esther

“…Large-scale annotated corpora have yielded impressive performance improvements in computer vision and multimedia content analysis. However, such datasets…”
Get full text

SoftED: Metrics for Soft Evaluation of Time Series Event Detection by Salles, Rebecca, Lima, Janio, Coutinho, Rafaelli, Pacitti, Esther, Masseglia, Florent, Akbarinia, Reza, Chen, Chao, Garibaldi, Jonathan, Porto, Fabio, Ogasawara, Eduardo

“…Time series event detection methods are evaluated mainly by standard classification metrics that focus solely on detection accuracy. However, inaccuracy in…”
Get full text

Cache-aware scheduling of scientific workflows in a multisite cloud by Heidsieck, Gaëtan, de Oliveira, Daniel, Pacitti, Esther, Pradal, Christophe, Tardieu, François, Valduriez, Patrick

“…Many scientific experiments today are performed using scientific workflows, which become more and more data-intensive. We consider the efficient execution of…”
Get full text

Best position algorithms for efficient top- k query processing by Akbarinia, Reza, Pacitti, Esther, Valduriez, Patrick

“…The general problem of answering top -k queries can be modeled using lists of data items sorted by their local scores. The main algorithm proposed so far for…”
Get full text

Corrigendum to “Best position algorithms for efficient top-k query processing” [Inf. Syst. 36(6) (2011) 973–989] by Akbarinia, Reza, Pacitti, Esther, Valduriez, Patrick

Get full text

Profile Diversity for Query Processing using User Recommendations by Servajean, Maximilien, Akbarinia, Reza, Pacitti, Esther, Amer-Yahia, Sihem

“…More than 90% of the queries submitted to content sharing platforms, such as Flickr, are vague, i.e.only contain a few keywords, thus complicating the task of…”
Get full text

A Differentially Private Index for Range Query Processing in Clouds by Sahin, Cetin, Allard, Tristan, Akbarinia, Reza, El Abbadi, Amr, Pacitti, Esther

“…Performing non-aggregate range queries on cloud stored data, while achieving both privacy and efficiency is a challenging problem. This paper proposes…”
Get full text

Grid Data Management: Open Problems and New Issues by Pacitti, Esther, Valduriez, Patrick, Mattoso, Marta

“…Initially developed for the scientific community, Grid computing is now gaining much interest in important areas such as enterprise information systems. This…”
Get full text

Building a peer-to-peer content distribution network with high performance, scalability and robustness by El Dick, Manal, Pacitti, Esther, Akbarinia, Reza, Kemme, Bettina

“…Content distribution networks (CDN) are fundamental, yet expensive technologies for distributing the content of web-servers to large audiences. The P2P model…”
Get full text

Reducing network traffic in unstructured P2P systems using Top-k queries by Akbarinia, Reza, Pacitti, Esther, Valduriez, Patrick

“…A major problem of unstructured P2P systems is their heavy network traffic. This is caused mainly by high numbers of query answers, many of which are…”
Get full text

A new privacy-preserving solution for clustering massively distributed personal times-series by Allard, Tristan, Hebrail, Georges, Masseglia, Florent, Pacitti, Esther

“…New personal data fields are currently emerging due to the proliferation of on-body/at-home sensors connected to personal devices. However, strong privacy…”
Get full text

The leganet system: Freshness-aware transaction routing in a database cluster by Gançarski, Stéphane, Naacke, Hubert, Pacitti, Esther, Valduriez, Patrick

“…We consider the use of a database cluster for Application Service Provider (ASP). In the ASP context, applications and databases can be update-intensive and…”
Get full text