Browsing by Author "Torres Viñals, Jordi"
Now showing items 1-20 of 104
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A closer look at referring expressions for video object segmentation
(2023-01)
Article
Open AccessThe task of Language-guided Video Object Segmentation (LVOS) aims at generating binary masks for an object referred by a linguistic expression. When this expression unambiguously describes an object in the scene, it is ... -
A hybrid web server architecture for secure e-business web applications
(2005-09)
Article
Restricted access - publisher's policyNowadays the success of many e-commerce applications, such as on-line banking, depends on their reliability, robustness and security. Designing a web server architecture that keeps these properties under high loads is a ... -
A methodology for Spark parameter tuning
(2017-05-19)
Article
Open AccessSpark has been established as an attractive platform for big data analysis, since it manages to hide most of the complexities related to parallelism, fault tolerance and cluster setting from developers. However, this comes ... -
A Survey on Performance Management for Internet Applications
(2010-01-01)
Article
Restricted access - publisher's policyInternet applications have become indispensable for many business and personal processes, turning the performance of these applications into a key issue. For this reason, recent research has comprehensively explored ... -
Accelerating software memory compression on the Cell/B.E.
(2008)
Conference report
Restricted access - publisher's policyThe idea of transparently compressing and decompressing the content of main memory to virtually enlarge their capacity has been previously proposed and studied in the literature. The rationale behind this idea lies in the ... -
Adaptive distributed mechanism againts flooding network attacks based on machine learning
(ACM Press, NY, 2008)
Conference report
Restricted access - publisher's policyAdaptive techniques based on machine learning and data mining are gaining relevance in self-management and self- defense for networks and distributed systems. In this paper, we focus on early detection and stopping of ... -
Adaptive MapReduce scheduling in shared environments
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
Conference report
Open AccessIn this paper we present a MapReduce task scheduler for shared environments in which MapReduce is executed along with other resource-consuming workloads, such as transactional applications. All workloads may potentially ... -
Adaptive on-line software aging prediction based on machine learning
(IEEE Computer Society Publications, 2010)
Conference report
Open AccessThe growing complexity of software systems is resulting in an increasing number of software faults. According to the literature, software faults are becoming one of the main sources of unplanned system outages, and have ... -
Adaptive scheduling on power-aware managed data-centers using machine learning
(IEEE Computer Society Publications, 2011)
Conference report
Restricted access - publisher's policyEnergy-related costs have become one of the major economic factors in IT data-centers, and companies and the research community are currently working on new efficient power-aware resource management strategies, also known ... -
Adaptive scheduling on power-aware managed data-centers using machine learning
(2011)
Research report
Open AccessEnergy-related costs have become one of the major economic factors in IT data-centers, and companies and the research community are currently working on new efficient power-aware resource management strategies, also known ... -
Aeneas: A tool to enable applications to effectively use non-relational databases
(Elsevier, 2013)
Conference report
Open AccessNon-relational databases arise as a solution to solve the scalability problems of relational databases when dealing with big data applications. However, they are highly configurable prone to user decisions that can heavily ... -
Align and distribute-based linear loop transformations
(Springer, 1993)
Conference report
Open AccessIn this paper we generalize the framework of linear loop transformations in the sense that loop alignment is considered as a new component in the transformation process. The aim is to match the structure of loop nests with ... -
ALOJA: a systematic study of Hadoop deployment variables to enable automated characterization of cost-effectiveness
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
Conference report
Open AccessThis article presents the ALOJA project, an initiative to produce mechanisms for an automated characterization of cost-effectiveness of Hadoop deployments and reports its initial results. ALOJA is the latest phase of a ... -
An instrumentation tool for threaded Java application servers
(Universitat de Lleida, 2002)
Conference report
Open AccessRapid development of e-business services has extended the use of application servers on companies. The Java platform has an important presence on this sector because of its portability and development facilities. Java ... -
An integer linear programming representation for data-center power-aware management
(2010-11-12)
Research report
Open AccessThis work exposes how to represent a grid data-center based scheduling problem, taking the advantages of the virtualization and consolidation techniques, as a linear integer programming problem including all three mentioned ... -
Automatic query driven data modelling in cassandra
(Elsevier, 2015)
Conference report
Open AccessNon-relational databases have recently been the preferred choice when it comes to dealing with BigData challenges, but their performance is very sensitive to the chosen data organisations. We have seen differences of over ... -
Automatic query driven data modelling in Cassandra
(Barcelona Supercomputing Center, 2015-05-05)
Conference report
Open AccessNon-relational databases have recently been the preferred choice when it comes to dealing with Big Data challenges, but their performance is very sensitive to the chosen data organisations. We have seen differences of ... -
BIGNASim: a NoSQL database structure and analysis portal for nucleic acids simulation data
(2016-01-04)
Article
Open AccessMolecular dynamics simulation (MD) is, just behind genomics, the bioinformatics tool that generates the largest amounts of data, and that is using the largest amount of CPU time in supercomputing centres. MD trajectories ... -
BSC contributions in energy-aware resource management for large scale distributed systems
(2010)
Conference report
Open AccessThis paper introduces the work being carried out at Barcelona Supercomputing Center in the area of Green Computing. We have been working in resource management for a long time and recently we included the energy parameter ... -
Budget-aware semi-supervised semantic and instance segmentation
(2019)
Conference lecture
Open AccessMethods that move towards less supervised scenarios are key for image segmentation, as dense labels demand significant human intervention. Generally, the annotation burden is mitigated by labeling datasets with weaker forms ...
