SIGMOD 2017 notes

The summary of some presentations at SIGMOD 2017 Keynote: Democratizing Advanced Analytics Beyond Just Plumbing Advanced analytics = data management + ML (Machine Learning). Machine Learning puts more focus on accuracy (or other evaluation metrics) and runtime efficiency while advanced analytics puts more focus on scalability, usability, manageability, developability. There are …

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ANR ContentCheck tools exploited by Le Monde’s Les Décodeurs to analyze the right’s primaries

Data analysis tools developed within ANR ContentCheck, summarizing tweets and classifying them by the semantic categories of the tweet authors, are used in an article by Les Décodeurs: http://www.lemonde.fr/les-decodeurs/article/2016/12/12/primaire-de-la-droite-un-an-de-campagne-vu-depuis-twitter_5047574_4355770.html

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Yannis Papakonstantinou: The SQL++ Query Language: Support for native JSON, while backwards-compatible with SQL

Yannis Papakonstantinou will give a talk this Monday at 11 am, Turing Building, Flowers room. Title: The SQL++ Query Language: Support for native JSON, while backwards-compatible with SQL Speaker: Yannis Papakonstantinou, Prof. Computer Science and Engineering, UCSD www.db.ucsd.edu/people/yannis.htm Abstract: SQL-on-Hadoop, NewSQL and NoSQL databases provide semi-structured data models (typically JSON-based). …

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Stanislav Kikot and Roman Kontchakov: “Ontology-based data access via query rewriting: theory and practice”

Stanislav Kikot and Roman Kontchakov from Birbeck College, London, will give a talk on Friday 25, 10 am, at Thomas Flowers room, Turing building. Abstract: The talk consists of two parts. In the first part, we present our recent theoretical results on the computational complexity of answering OWL 2 QL ontology-mediated queries (OMQs) …

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