15:00, Room N107 (Parc Club) Abstract ViP2P is a fully functional Java-based platform for the efficient, scalable management of XML documents in structured peer-to-peer networks based on distributed hash table (DHT) indices. We exploit indices (or materialized views) deployed in the P2P network independently by the peers, to answer an interesting dialect of tree pattern queries. There is …
Category: Seminar
Permanent link to this article: https://team.inria.fr/oak/2010/02/19/seminar-vip2p-team/
Feb 19
Dario Colazzo: Projection-based optimization for XML updates
14:00, Room N107 (Parc Club) Abstract XML projection is one of the main adopted optimization techniques for reducing memory consumption in XQuery in-memory engines. The main idea behind this technique is quite simple: given a query Q over an XML document D, instead of evaluating Q on D, the query Q is evaluated on a …
Permanent link to this article: https://team.inria.fr/oak/2010/02/19/seminar-dario-colazzo/
Feb 12
Fabian Suchanek: YAGO & SOFIE: Automated Construction of a Large Ontology
14:00, Room G008 (Parc Club) Abstract This talk will present YAGO. YAGO is a large ontology, which currently contains more than 2 million entities and close to 20 million facts about them. The talk will explain how the ontology was constructed automatically from Wikipedia and WordNet. The talk will also introduce the SOFIE project. SOFIE …
Permanent link to this article: https://team.inria.fr/oak/2010/02/12/seminar-fabian-suchanek/
Dec 04
Amélie Marian: Beyond the Stars: Improving Rating Predictions using Review Text Content
14:00, Room G008 (Parc Club) Abstract Online reviews are an important asset for users deciding to buy a product, see a movie, or go to a restaurant, as well as for businesses tracking user feedback. However, most reviews are written in a free-text format, and are therefore difficult for computer systems to understand, analyze, and …
Permanent link to this article: https://team.inria.fr/oak/2009/12/04/seminar-amelie-marian/
Dec 04
Sihem Amer-Yahia: I’ll Have What She’s Having: Recommendations on Social Content Sites
14:00, Room G008 (Parc Club) Abstract We examine the challenges behind recommendations in social content sites. We use collaborative tagging sites (think del.icio.us, YouTube and Yahoo!Travel) as our application and report on our experiments in harvesting the collective tagging behavior to serve relevant content (think URLs, videos, travel destinations) to users. We address well-known and …
Permanent link to this article: https://team.inria.fr/oak/2009/12/04/seminar-sihem-amer-yahia/
Nov 27
Konstantinos Karanasos: View Selection for Efficient and Scalable RDF Data Management
joint work with Francois Goasdoue and Ioana Manolescu Abstract The view selection problem consists of choosing, given a set of queries, a set of views to materialize, in order to minimize the total cost of evaluating these queries and of maintaining the views. Several variants of the problem exist, encompassing the existence of a possible …
Permanent link to this article: https://team.inria.fr/oak/2009/11/27/seminar-konstantinos-karanasos/
Nov 20
Dimitri Theodoratos: Processing and Efficient Evaluation of Generalized Tree-Pattern Queries
14:00, Room G008 (Parc Club) Abstract Current applications export and exchange XML data on the web. Usually, XML data are queried using keyword queries or using the standard structured query language XQuery whose core consists of the navigational query language XPath. In this context, one major challenge is the querying of the data when the …
Permanent link to this article: https://team.inria.fr/oak/2009/11/20/seminar-dimitri-theodoratos/
Nov 03
Paolo Papotti: Core Mappings: Schema Mapping Revolution
14:00, Room G008 (Parc Club) Abstract Schema mappings are high-level specifications that describe the relationship between database schemas. They are an important tool in several areas of database research and have a central role in data exchange and data integration. Research has investigated mappings under two perspectives. On one side, there are studies of practical …
Permanent link to this article: https://team.inria.fr/oak/2009/11/03/seminar-paolo-papotti/
