Tag Archive for introduction

Introduction to: Reasoners

Reasoning is the task of deriving implicit facts from a set of given explicit facts. These facts can be expressed in OWL 2 ontologies and stored RDF triplestores. For example, the following fact: “a Student is a Person,” can be expressed in an ontology, while the fact: “Bob is a Student,” can be stored in…

NoSQL Explained… Gangam Style

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by Angela Guess Alex Williams of Tech Crunch reports, “This could have been an absolute flop – a parody of itself. But this Gangnam-style video about the NoSQL database is actually not so bad. It’s goofy and amateurish. But that’s what makes it so awesome. The makers say on their YouTube page that it all…

Data Governance: An Introduction

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by Angela Guess Data Salon has created a helpful introduction to the topic of Data Governance. The article states, “The issue of data quality is becoming an essential point of basic good practice for all scholarly publishers. So, having noted the pitfalls of bad data and the benefits of good data, what practical steps can…

Introduction to: Triplestores

Triplestores are Database Management Systems (DBMS) for data modeled using RDF. Unlike Relational Database Management Systems (RDBMS), which store data in relations (or tables) and are queried using SQL, triplestores store RDF triples and are queried using SPARQL. A key feature of many triplestores is the ability to do inference. It is important to note…

Introducing Couchbase Server 2.0

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by Angela Guess Couchbase Server 2.0 was released last month, and now the people at Couchbase are offering a free webinar on January 22 introducing the latest updates. According to the company, “Couchbase Server 2.0 is here! Couchbase Server 2.0 is a document database that includes JSON support, indexing and querying capabilities, and cross datacenter…

MATLAB, R, and Julia: An Overview

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by Angela Guess Avi Bryant of Strata recently discussed three of the most commonly used languages for data: MATLAB, R, and Julia. He writes, “Big data frameworks like Hadoop have received a lot of attention recently, and with good reason: when you have terabytes of data to work with — and these days, who doesn’t?…

Introducing Accumulo, a NoSQL Database

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by Angela Guess Jeff Kelly of SiliconAngle recently discussed NoSQL solution Accumulo, “an open source database originally developed at the National Security Agency. You may be wondering why the world needs yet another database to handle large volumes of multi-structured data. The answer is, of course, that no one of these NoSQL databases has yet…