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What does a zero mean? understanding false, random and structural zeros in ecology
(2019-03-27)
Article
Open Access1. Zeros (i.e. events that do not happen) are the source of two common phenomena in count data: overdispersion and zero-inflation. Zeros have multiple origins in a dataset: false zeros occur due to errors in the experimental ... -
3D-PP: A tool for discovering conserved three-dimensional protein patterns
(2019-06-28)
Article
Open AccessDiscovering conserved three-dimensional (3D) patterns among protein structures may provide valuable insights into protein classification, functional annotations or the rational design of multi-target drugs. Thus, several ... -
The CHARME "Advanced Big Data Training School for Life Sciences": an example of good practices for training on current bioinformatics challenges
(2019-02-05)
Article
Open AccessThe CHARME “Advanced Big Data Training School for Life Sciences” took place during 3-7 September 2018, at the Campus Nord of the Technical University of Catalonia (UPC) in Barcelona (ES). The school was organised by the ... -
Proceedings of the “Think Tank Hackathon’’, Big Data Training School for Life Sciences Follow-up, Ljubljana 6th – 7th February 2018
(2018-04-19)
Article
Open AccessOn 6th and 7th February 2018, a Think Tank took place in Ljubljana, Slovenia. It was a follow-up of the “Big Data Training School for Life Sciences” held in Uppsala, Sweden, in September 2017. The focus was on identifying ... -
Software trace cache
(2005-01)
Article
Open AccessWe explore the use of compiler optimizations, which optimize the layout of instructions in memory. The target is to enable the code to make better use of the underlying hardware resources regardless of the specific details ... -
Put three and three together: Triangle-driven community detection
(Association for Computing Machinery (ACM), 2016-02-01)
Article
Open AccessCommunity detection has arisen as one of the most relevant topics in the field of graph data mining due to its applications in many fields such as biology, social networks, or network traffic analysis. Although the existing ... -
Automatic multi-partite graph generation from arbitrary data
(2014-08-22)
Article
Restricted access - publisher's policyIn this paper we present a generic model for automatic generation of basic multi-partite graphs obtained from collections of arbitrary input data following user indications. The paper also presents GraphGen, a tool that ... -
Two-way replacement selection
(Association for Computing Machinery (ACM), 2010-09-01)
Article
Restricted access - publisher's policyThe performance of external sorting using merge sort is highly dependent on the length of the runs generated. One of the most commonly used run generation strategies is Replacement Selection (RS) because, on average, it ... -
Using genetic algorithms for attribute grouping in multivariate microaggregation
(2014-01-01)
Article
Open AccessAnonymization techniques that provide k-anonymity suffer from loss of quality when data dimensionality is high. Microaggregation techniques are not an exception. Given a set of records, attributes are grouped into ... -
A discussion on the design of graph database benchmarks
(2011)
Article
Open AccessGraph Database Management systems (GDBs) are gaining popularity. They are used to analyze huge graph datasets that are naturally appearing in many application areas to model interrelated data. The objective of this paper ... -
Generalized median string computation by means of string embedding in vector spaces
(2012-11-01)
Article
Restricted access - publisher's policyIn structural pattern recognition the median string has been established as a useful tool to represent a set of strings. However, its exact computation is complex and of high computational burden. In this paper we propose ... -
Using Evolutive Summary Counters for Efficient Cooperative Caching in Search Engines
(2012-04)
Article
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