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Št. zadetkov: 8
City Data Pipeline – A report about experiences from using Open Data to gather indicators of city performance
Axel Polleres
Video in druga učna gradiva
Oznake: computer science;big data;data visualisation;social sciences;law;regulations;society;public policy;business;management;knowledge management
We present the City Data Pipeline – a system for gathering city performance indicators published as Open Data in order to ease the compilation of studies and reports used within Siemens. Under the assumption that Open Data provides means to automatise tedious data research tasks, we have built a sys ...
Leto: 2014 Vir: videolectures.net
Handling Inconsistencies due to Class Disjointness in SPAR QL Updates
Axel Polleres
Video in druga učna gradiva
Oznake: computer science;big data;semantic web
The problem of updating ontologies has received increased attention in recent years. In the approaches proposed so far, either the update language is restricted to sets of ground atoms or, where the full SPARQL update language is allowed, the TBox language is restricted so that no inconsistencies ca ...
Leto: 2016 Vir: videolectures.net
No Size Fits All - Running the Star Schema Benchmark with SPARQL and RDF Aggregate Views
Axel Polleres , Benedikt Kämpgen
Video in druga učna gradiva
Oznake: computer science;semantic web;big data
Statistics published as Linked Data promise efficient extraction, transformation and loading (ETL) into a database for decision support. The predominant way to implement analytical query capabilities in industry are specialised engines that translate OLAP queries to SQL queries on a relational datab ...
Leto: 2013 Vir: videolectures.net
Seven Commandments for Benchmarking Semantic Flow Processing Systems
Axel Polleres , Thomas Scharrenbach
Video in druga učna gradiva
Oznake: computer science;semantic web;big data
Over the last few years, the processing of dynamic data has gained increasing attention in the Semantic Web community. This led to the development of several stream reasoning systems that enable on-the-fly processing of semantically annotated data that changes over time. Due to their streaming natur ...
Leto: 2013 Vir: videolectures.net
The Semantic Web in an Age of Open Data
Nigel Shadbolt , Axel Polleres
Video in druga učna gradiva
Oznake: computer science;semantic web
The last five years have seen increasing amounts of open data being published on the Web. In particular, governments have made data available across a wide range of sectors: spending, crime and justice, education, health, transport, geospatial, environmental and much more. The data has been publishe ...
Leto: 2014 Vir: videolectures.net
When to Reach for the Cloud: Using Parallel Hardware for Link Discovery
Axel Polleres , Axel-Cyrille Ngonga Ngomo
Video in druga učna gradiva
Oznake: computer science;semantic web;big data
With the ever-growing amount of RDF data available across the Web, the discovery of links between datasets and deduplication of resources within knowledge bases have become tasks of crucial importance. Over the last years, several link discovery approaches have been developed to tackle the runtime a ...
Leto: 2013 Vir: videolectures.net
Musubi: A Decentralized Mobile Social Web
Axel Polleres , Monica S. Lam
Video in druga učna gradiva
Oznake: computer science;databases;semantic web;applications;computers;social networking
With the rise of cloud services, users' personal data (from photos to bank transactions) are scattered and hosted by a variety of application service providers. Communication services like email and social networking, by virtue of helping users share, have the unique opportunity to gather all data s ...
Leto: 2012 Vir: videolectures.net
ISWC 2017 in Vienna
Natasha Noy , Jeff Heflin , Axel Polleres
Video in druga učna gradiva
Oznake: computer science;semantic web
Leto: 2016 Vir: videolectures.net
Št. zadetkov: 8
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