Juan Manuel Pérez

Publications27
h-index11
Citations579
Highly Influential Citations18
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Multidimensional Integrated Ontologies: A Framework for Designing Semantic Data Warehouses
TLDR
TheSemantic Data Warehouse is proposed to be a repository of ontologies and semantically annotated data resources and an ontology-driven framework to design multidimensional analysis models for Semantic Data Warehouses is proposed.
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Integrating Data Warehouses with Web Data: A Survey
TLDR
The paper addresses the application of information retrieval technology in a DW to exploit text-rich documents collections and introduces the problem of dealing with semi-structured data in aDW.
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Contextualizing data warehouses with documents
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A relevance-extended multi-dimensional model for a data warehouse contextualized with documents
TLDR
This paper proposes to combine the traditional corporate data warehouse with a document warehouse, resulting in a contextualized warehouse, extending an existing multi-dimensional data model and algebra for representing the R-cubes.
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JERARTOP: A New Topic Detection System
TLDR
An on-line detection system, named JERARTOP, which goes beyond traditional detection systems, because it generates the implicit knowledge of a stream of documents as a taxonomy of topics/events which is automatically built by the system in an incremental way.
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R-Cubes: OLAP Cubes Contextualized with Documents
TLDR
The proposed architecture for the integration of a corporate warehouse of structured data with a warehouse of text-rich XML documents is called a contextualized warehouse, and a prototype R-cube system is presented, which is explained how to use.
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Atalaya at SemEval 2019 Task 5: Robust Embeddings for Tweet Classification
TLDR
This article describes its participation in HatEval, a shared task aimed at the detection of hate speech against immigrants and women, and trained robust task-oriented subword-aware embeddings and computed tweet representations using a weighted-averaging strategy.
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Disentrainment may be a Positive Thing: A Novel Measure of Unsigned Acoustic-Prosodic Synchrony, and its Relation to Speaker Engagement
TLDR
In spite of minor changes in Intensity and Pitch slopes and significances, it can still be said that the analysis found the same pattern of significant associations between positive social variables and the authors' sinchrony measure.
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Using Prosody to Classify Discourse Relations
TLDR
The 18th Annual Conference of the International Speech Communication Association (INTERSPEECH 2017), celebrada a Estocolm, Suencia, del 20 al 24 d'agost de 2017, presents the findings of the 2016 conference.
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Towards a Data Warehouse Contextualized with Web Opinions
TLDR
The contextualized warehouse infrastructure is proposed to be extended with new opinion retrieval techniques conceived to classify and search for opinions in document collections with these characteristics.
View on IEEE
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