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Cloudera, Hortonworks, and how they are progressing in their Hadoop security agenda

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Back in July 2014, Gigaom published a research note on Hadoop security written by me. As there seems to be rapid progress in this domain, in the last few days there have been a couple of related developments that call for an update on the picture drawn in that report. As was noted in the […]

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The best approach to managing Hadoop

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This week Linked Data Orchestration published another report on Big Data. The report is titled “The best approach to managing Hadoop” and is brought to you in collaboration with Gigaom and Zettaset. The report examines the 3 choices available for managing Hadoop and discusses the pros and cons for each one. Organizations leveraging on-premises Hadoop […]

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Hadoop World vendor announcements and impact on Accessibility, Scalability and Security

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This week the world’s biggest event for all things Hadoop takes place, the Strata and Hadoop World conference. Vendors announce and showcase new releases and features in their offerings, and Gigaom covered the extensive array of news. Let’s try to decipher them and see their impact in terms of Hadoop distributions Accessibility, Scalability and Security. […]

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Data Modeling for APIs. Part 5: Modeling vs. Meta-Modeling

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Part 1: Seting the stage | Part 2: REST and JSON | Part 3: SOAP and XML | Part 4: Linked Data and SPARQL | Part 5: Modeling vs. Meta-Modeling Recently i was involved the creation of a data model for a project in the Energy domain. As this was an international, multi-partner project with […]

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RDF on Hadoop and Schema on Read vs. Schema on Write

One of the challenges for any Big Data solution is dealing with scale, and RDF stores are no exception: going for billions of RDF triples (the equivalent of rows in the SQL world) is not trivial. Hadoop on the other hand is great at scaling out on commodity hardware, which is a feature every MPP […]

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SPARQL City and Benchmarks

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We have written in the past about SPARQL, Hadoop and benchmarks. In this post, we take a look at a company that combines all of these subjects, SPARQL City, on the occasion of the results they released after subjecting their product, SPARQLVerse, to the SP2 benchmark. This year’s NoSQLNow conference was colocated with SemTechBiz, providing […]

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Unlikely PaaS alliances, strange offerings, and variable gauges

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Recently we’ve seen developments in PaaS offerings that may strike some as odd or surprising: first, RedHat offers Microsoft .Net and SQL Server as cloud services, and then Microsoft offers Oracle’s flagship database, WebLogic Server middleware and Java on its Azure platform as “license-included virtual machine images” in the Windows Azure Image Gallery. What’s this […]

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On APIs, JSON, Linked Data, attitude and opportunities

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I’ve been meaning to revisit some of the things i’ve been writing about and getting feedback on lately – APIs, the JSON vs. XML “non” debate and Linked Data. My focus was going to be on JSON-LD as the low-hanging fruit of Linked Data, and this week some news came out that gave me the […]

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Data modeling for APIs. Part 4: Linked Data and SPARQL

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Part 1: Seting the stage | Part 2: REST and JSON | Part 3: SOAP and XML | Part 4: Linked Data and SPARQL | Part 5: Modeling vs. Meta-Modeling In the 4th part of this series of posts we look at a different way of data modeling for APIs, one that is based on […]

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Indexing Hadoop: If it’s so simple, how come not everyone’s doing it?

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Is Hadoop really the best thing since sliced bread? You’d probably get this idea, if you have been talking to any of the (proliferating) Hadoop advocates /  vendors. Hadoop and its expanding ecosystem are being touted as the ideal solution to any organization’s data management needs – and admittedly, for good reason. Hadoop offers a […]

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