BUSCADOR RECOLECTA

This dataset is a companion reproducibility package of the related paper submitted for publication, whose aim is to allow the exact replication of a very large experimental survey on word similarity between the families of ontology-based semantic similarity measures and word embedding models as detailed in ‘appendix-reproducible-experiments.pdf’ file. Our experiments are based on the evaluation of all methods with the HESML V1R4 semantic measures library and the recording of these experiments with Reprozip. HESML is a self-contained Java software library of semantic measures based on WordNet whose latest version, called HESML V1R4, also supports the evaluation of pre-trained word embedding files. HESML is a self-contained experimentation platform on word similarity which is especially well suited to run large experimental surveys by supporting the execution of automatic reproducible experiment files on word similarity based on a XML-based file format called (*.exp). On the other hand, ReproZip is a virtualisation tool whose aim is to warrant the exact replication of experimental results onto a different system from that originally used in their creation. Reprozip captures all the program dependencies and is able to reproduce the packaged experiments on any host platform, regardless of the hardware and software configuration used in their creation. Thus, ReproZip warrants the reproduction of the experiments introduced herein in the long-term. Finally, other very valuable feature of Reprozip is that it allows to modify the input files of any Reprozip package with the aim of evaluating a set of experiments using originally unconsidered methods, configuration parameters or datasets. This dataset contains a Reprozip package to reproduce our experiments in any supported platform, as well as all pre-trained word embedding models and word similarity datasets used in our experiments. In addition, this dataset also contains all raw output files generated by our experiments, and a R script file to generate all output processed files corresponding to the data tables in our related paper. Finally, we provide a very detailed experimental setup in the aforementioned PDF file to allow all our experiments to be reproduced exactly.

Hugo Chavez dominated the Venezuelan electoral landscape since his first presidential victory in 1998 until his death in 2013. Nobody doubts that he always received considerable voter support in the numerous elections held during his mandate. However, the integrity of the electoral system has come into question since the 2004 Presidential Recall Referendum. From then on, different sectors of society have systematically alleged electoral irregularities or biases in favor of the incumbent party. We have carried out a thorough forensic analysis of the national-level Venezuelan electoral processes held during the 1998-2012 period to assess these complaints. The second-digit Benford's law and two statistical models of vote distributions, recently introduced in the literature, are reviewed and used in our case study. In addition, we discuss a new method to detect irregular variations in the electoral roll. The outputs obtained from these election forensic tools are examined taking into account the substantive context of the elections and referenda under study. Thus, we reach two main conclusions. Firstly, all the tools uncover anomalous statistical patterns, which are consistent with election fraud from 2004 onwards. Although our results are not a concluding proof of fraud, they signal the Recall Referendum as a turning point in the integrity of the Venezuelan elections. Secondly, our analysis calls into question the reliability of the electoral register since 2004. In particular, we found irregular variations in the electoral roll that were decisive in winning the 50% majority in the 2004 Referendum and in the 2012 Presidential Elections