Another Word For It Patrick Durusau on Topic Maps and Semantic Diversity

April 27, 2011

MaJorToM server v. 1.0.0 released

Filed under: MaJorToM,SPARQL,Topic Map Software — Patrick Durusau @ 2:28 pm

MaJorToM server v. 1.0.0 released

From the post:

The MaJorToM server is a Spring application which provides a TMQL HTTP interface to query topic maps. The server is intended as back end for Topic Maps based applications.

Today the Topic Maps Lab has released the version 1.0.0 of the MaJorToM server. The server acts as TMQL endpoint for Topic Maps based applications. You can play around with an instance of the server here.

The sources of the MaJorToM server are available at Google code. In the installation instructions you will learn how you can build and deploy your own instances of the MaJorToM server. Once you have deployed the server for your own, you will have an administration interface and a TMQL interface. But the server is not only a TMQL endpoint for the data. It also provides full text search (based on Beru) and a SPARQL enpoint to the hosted topic maps.

With the next release Maiana will act as a frontend for topic maps delivered by remote MaJorToM server. Besides the Maiana integration the MaJorToM server is very well integrated with TM2O – the OData provider for Topic Maps.

April 14, 2011

Somebody is going to hate me: NoSPARQL – Post

Filed under: Graphs,SPARQL — Patrick Durusau @ 7:24 am

Somebody is going to hate me: NoSPARQL

A refreshing look at database technology by someone with a sense of history, at least of technology.

Our techniques, capabilities and concerns have evolved or at least changed since the last time various database technologies collided.

The outcome is too uncertain to predict but interesting times are ahead!

February 23, 2011

Berlin SPARQL Benchmark (BSBM)

Filed under: RDF,SPARQL — Patrick Durusau @ 3:06 pm

Berlin SPARQL Benchmark (BSBM)

From the website:

The SPARQL Query Language for RDF and the SPARQL Protocol for RDF are implemented by a growing number of storage systems and are used within enterprise and open web settings. As SPARQL is taken up by the community there is a growing need for benchmarks to compare the performance of storage systems that expose SPARQL endpoints via the SPARQL protocol. Such systems include native RDF stores, Named Graph stores, systems that map relational databases into RDF, and SPARQL wrappers around other kinds of data sources.

The Berlin SPARQL Benchmark (BSBM) defines a suite of benchmarks for comparing the performance of these systems across architectures. The benchmark is built around an e-commerce use case in which a set of products is offered by different vendors and consumers have posted reviews about products. The benchmark query mix illustrates the search and navigation pattern of a consumer looking for a product.

NEWS

02/22/2011: Results of the February 2011 BSBM V3 Experiment released, benchmarking Virtuoso, BigOWLIM, 4store, BigData and Jena TDB with 100 million and 200 million triples datasets within the Exploreand Update use cases

Serious sized bench marking files.

Do wonder how diverse the file content is compared to content in the “wild” so to speak?

January 11, 2011

1st International Workshop on Semantic
Publication (SePublica 2011)

Filed under: Conferences,Ontology,OWL,RDF,Semantic Web,SPARQL — Patrick Durusau @ 7:24 pm

1st International Workshop on Semantic Publication (SePublica 2011) in connection with 8th Extended Semantic Web Conference (ESWC 2011), May 29th or 30th, Hersonissos, Crete, Greece.

From the Call for Papers:

The CHALLENGE of the Semantic Web is to allow the Web to move from a dissemination platform to an interactive platform for networked information. The Semantic Web promises to “fundamentally change our experience of the Web”.

In spite of improvements in the distribution, accessibility and retrieval of information, little has changed in the publishing industry so far. The Web has succeeded as a dissemination platform for scientific and non-scientific papers, news, and communication in general; however, most of that information remains locked up in discrete documents, which are poorly interconnected to one another and to the Web.

The connectivity tissues provided by RDF technology and the Social Web have barely made an impact on scientific communication nor on ebook publishing, neither on the format of publications, nor on repositories and digital libraries. The worst problem is in accessing and reusing the computable data which the literature represents and describes.

No, I am not going to say that topic maps are the magic bullet that will solve all those issues or the ones listed in their Questions and Topics of Interest.

What I do think topic maps bring to the table is an awareness that semantic interoperability isn’t primarily a format or computational problem.

Every new (and impliedly universal) format or model simply compounds the semantic interoperability problem.

By creating yet more formats and/or models between which semantic interoperability has to be designed.

Starting with the question of what subjects need to be identified and how they are identified now could lead to a viable, local semantic interoperability solution.

What more could a client want?

Local semantic interoperability solutions can form the basis for spreading semantic interoperability, one solution at a time.

*****
PS: Forgot the important dates:

Paper/Demo Submission Deadline: February 28, 23:59 Hawaii Time

Acceptance Notification: April 1

Camera Ready Version: April 15

SePublica Workshop: May 29 or May 30 (to be announced)

November 23, 2010

Querying the British National Bibliography

Filed under: British National Bibliography,Dataset,RDF,Semantic Web,SPARQL — Patrick Durusau @ 9:40 am

Querying the British National Bibliography

From the webpage:

Following up on the earlier announcement that the British Library has made the British National Bibliography available under a public domain dedication, the JISC Open Bibliography project has worked to make this data more useable.

The data has been loaded into a Virtuoso store that is queriable through the SPARQL Endpoint and the URIs that we have assigned each record use the ORDF software to make them dereferencable, supporting perform content auto-negotiation as well as embedding RDFa in the HTML representation.

The data contains some 3 million individual records and some 173 million triples. …

The data is also available for local processing but it isn’t much of a “web” if the first step is to always download a local copy of the data.

It should be interesting to watch for projects that combine the results of queries against this data with the results of other queries against other data sets. Particularly if those other data sets follow different metadata regimes.

Isn’t that the indexing problem all over again?

Questions:

  1. What data set would you want to combine with British National Bibliography (BNB)?
  2. What issues do you see arising from combing the BNB with your data set? (3-5 pages, no citations)
  3. Combining the BNB with another data set. (project)

November 8, 2010

ISWC 2010 Data and Demos

Filed under: Linked Data,RDF,Semantic Web,SPARQL — Patrick Durusau @ 6:27 am

ISWC 2010 Data and Demos.

Data and demos from the International Semantic Web Conference 2010. Includes links to prior data sets and browsers that work with the data sets.

Data sets are always important as well as being able to gauge the current state of semantic software.

October 20, 2010

8th Extended Semantic Web Conference: May 29 – June 2 2011 Heraklion, Greece

Filed under: Conferences,Ontology,OWL,Semantic Web,Semantics,SPARQL — Patrick Durusau @ 3:15 am

8th Extended Semantic Web Conference: May 29 – June 2 2011 Heraklion, Greece

Important Dates

See ESWC 2010 for range of content.

September 19, 2010

Chem2Bio2RDF: a semantic framework for linking and data mining chemogenomic and systems chemical biology data

Chem2Bio2RDF: a semantic framework for linking and data mining chemogenomic and systems chemical biology data

Destined to be a deeply influential resource.

Read the paper, use the application for a week Chem2Bio2RDF, then answer these questions:

  1. Choose three (3) subjects that are identified in this framework.
  2. For each subject, how is it identified in this framework?
  3. For each subject, have you seen it in another framework or system?
  4. For each subject seen in another framework/system, how was it identified there?

Extra credit: What one thing would you change about any of the identifications in this system? Why?

September 8, 2010

Maiana August Release

Filed under: Maiana,SPARQL,Topic Map Software,Topic Maps — Patrick Durusau @ 9:00 am

Maiana August Release covers a number of new and exciting features in Maiana.

Among other things, you will find:

  • Maiana is now running on MajorToM
  • a “history” function for changes to a topic map
  • a SPARQL query engine
  • TMQL queries can be saved for later use
  • other improvements/new features.

I assume they left something to do in September. 😉

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