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  • Our author Germán Toro del Valle achieved 9 posts in January 2012.

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INSEMTIVES - Incentives
for Semantics

Posts Tagged ‘ontology’

Probase by Microsoft on knowledge acquisition and knowledge serving

Tuesday, March 22nd, 2011

http://research.microsoft.com/en-us/projects/probase/Probase is an ongoing project that focuses on knowledge acquisition and knowledge serving. Their primary goal is to enable machines to understand human behavior and human communication. They do this by injecting certain general knowledge or certain common sense into computing.

Knowledge in Probase is harnessed from digitized footprints of human behavior and communications.

But Probase is much more than a traditional ontology/taxonomy, which can be seen in three dimensions: the concept dimension, the data dimension, and the relationship dimension.

Compared with other knowledgebases, Probase is unique in two aspects. First, Probase has an extremely large concept/category space (2.7 million categories). As these concepts are automatically acquired from Web pages authored by millions of users, it is probably true that they cover most concepts in our mental world (about worldly facts). Second, data in Probase, as knowledge in our mind, is not black or white. Probase quantifies the uncertainty. These serve as the priors and likelihoods that become the foundations of probabilistic reasoning in Probase. With this probabilistic Probase, we build several interesting applications, such as topic search, Web table search and document understanding.

You can find all the information about the project at http://research.microsoft.com/en-us/projects/probase/

Author: Germán Toro del Valle, Telefónica Investigación y Desarrollo
Tags: acquisition, initiative, knowledge, ontology, taxonomies
Posted in Related initiatives | No Comments »

Ontology for Media Resource 1.0, API for Media Resource 1.0 Drafts Published By W3C

Wednesday, March 10th, 2010

The W3C Media Annotations Working Group has published Working Drafts of Ontology for Media Resource 1.0 and API for Media Resource 1.0. The former document defines the Ontology for Media Resource 1.0, a core vocabulary to describe media resources on the Web. It is defined based on a core set of properties which covers basic metadata to describe media resources. Further it defines syntactic and semantic level mappings between elements from existing formats. The ontology is supposed to foster the interoperability among various kinds of metadata formats currently used to describe media resources on the Web. The latter defines a client-side API to access metadata information related to media resources on the Web.

Author: Germán Toro del Valle, Telefónica Investigación y Desarrollo
Tags: api, draft, media, ontology, resource, specification, w3c
Posted in Related initiatives | No Comments »

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