Tholis Consulting
Welcome Tholis Consulting is founded by Jos van Dongen, a seasoned Business Intelligence professional and well known author and presenter. Our focus is on implementing BI solutions from start to finish, where we ultimately enable your organization to be fully self supportive. We do this by making the technology, process and people choices that fit your organization and ambition, and support you in every step towards becoming an intelligent organization. We believe that Open Source software offers…
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BI/DWH Consulting Everything we do is about 'Business Intelligence', or 'BI' in short. BI is “a set of concepts and methodologies to improve decision making in business through use of facts and fact-based systems” (Howard Dresner). So it's not about technology, although technology is a big part of it… Read more
Open Source BI
Open Source BI Over the past few years Open Source has become a viable choice when selecting the right tools and technology for a BI solution or a data warehouse. Jos van Dongen has published 10 articles on this topic for the Dutch Database Magazine and keeps covering new market developments in this… Read more
MonetDB releases new version
It's not even on the MonetDB website, but the new February 2009 release has been uploaded to the MonetDB download area. The good news: native installers for Debian and Ubuntu added, both 32 and 64 bit. Other good news: you can run a SF100 (100 GB) TPC-H database on a regular PC. Don't expect magic though… Read more
Who's going to buy SPSS?
2009 will be a turning point for the so called 'business analytics' market. While ETL, reporting and OLAP have become more of a commodity and merely belong to the basic set of tools needed for doing business, organizations can still beat the competition with the smart use of advanced analytics. Now… Read more
Open Source Data Warehousing?
The economic downturn is causing an increasing interest in using open source (OS) solutions for BI. One of my previous blogposts already raised the issue of the missing pieces in open source analytical databases, but nevertheless more and more companies are using OS databases for data warehouse purposes… Read more
Book is published!
I haven't got my copy yet, but those in the US who pre-ordered 'Pentaho Solutions' got it yesterday. Here's the Pentaho team showing the fruits of our labor: Also see Gretchen Moran's first impressions on her blog.… Read more
Until 'Madison' arrives, Microsoft SQL Server runs faster on…
Visitors of the latest BI summit of the Seattle based software giant were awed by a first demo of project Madison, which is basically a Windows/SQL Server based version of the recently acquired appliance vendor Datallegro. Microsoft showed how a 150 TB (yes, that's Tera, not Giga) database could perform… Read more
Who's going to buy SPSS?
2009 will be a turning point for the so called 'business analytics' market. While ETL, reporting and OLAP have become more of a commodity and merely belong to the basic set of tools needed for doing business, organizations can still beat the competition with the smart use of advanced analytics. Now… Read more
Open Source Data Warehousing?
The economic downturn is causing an increasing interest in using open source (OS) solutions for BI. One of my previous blogposts already raised the issue of the missing pieces in open source analytical databases, but nevertheless more and more companies are using OS databases for data warehouse purposes… Read more
Pentaho Training
In april 2010 is Tholis Consulting een samenwerkingsverband aangegaan met DIKW-Academy om het Pentaho trainings curriculum naar Nederland te halen. Vanaf juni 2010 vinden de eerste trainingen plaats in het opleidingscentrum van DIKW te Nieuwegein… Read more
What's missing in Gartners latest BI MQ?
I haven't seen the full text yet but did get hold of the MQ image from this Oracle blog that also contains some interesting observations and snippets from the full text. What you don't see however in this blog is the movement and reshuffling that took place between the 2009 and 2010 editions of the… Read more
TDWI Munich
On June 15-17 the annual European TDWI event will take place in Munich. I'll be presenting a data mining course together with Mark Madsen.… Read more
Healthcare
Healthcare… Read more
Talend Open Studio 3.0 released
Talend today announced the availability of Talend Open Studio version 3.0, the company’s flagship open source data integration solution. Talend Open Studio offers more than 400 native connectors and now includes SAP connectivity to make it possible to interface SAP systems with the rest of the information… Read more
Where are the open source analytical databases?
Over the last few months several announcements have been made by different vendors having blended open source BI solutions with high speed analytical databases. Though this might seem good news at first, it also shows something else. Why would companies like Jaspersoft and Pentaho join forces with proprietary… Read more
Pentaho book near finish
The Pentaho Solutions book Roland and I have been working on since last year is near publication. Great cover, isn't it? ps. here's a sneak preview of the reporting chapter … Read more
Pentaho and Infobright deliver virtual OS BI solution
People still hesitating to take a peek at open source BI solutions are now served with the easiest way by far to have a complete BI solution in operation within minutes (!). Pentaho and Infobright have jointly developed a Virtual Machine that can be downloaded from the Infobright site. Setting it up… Read more
Hardware adventures
I've been assembling computers for over 10 years now, and even built PC based rack mounted servers for a company I was involved in. The advantages of building your own machines are of course the lower costs and the freedom to select and mix the best/cheapest/fastest components available (these requirements… Read more
Praise for 'Pentaho Solutions'
Reactions to the new Pentaho book I wrote together with Roland Bouman are all very positive. I especially like the extended reviews on Amazon, but the following Tweet by Mark Dathorne really blew me away: Reading "Creating Pentaho Solutions" . my last life changing book was "Spring in… Read more
Pentaho, quo vadis?
The acquisition Today Pentaho announced the acquisition of parts of the LucidEra BI solution (formerly called 'ClearView') to replace the current OLAP client JPivot. For the past couple of years JPivot has been the ugly duck in the Pentaho BI solution but although there are better/prettier open source… Read more
Eclipse DemoCamps & Holland Open Drink
During November and December 2008, individuals are invited to organize and attend Eclipse DemoCamps around the world. The Eclipse DemoCamps are an opportunity to showcase all of the cool interesting technology being built by the Eclipse community. They are also an opportunity for you to meet Eclipse… Read more
Bye bye Google Apps
Last summer I decided to give up my locally managed Email service and switch to a Premier Edition Google apps account. Sounded great, 25GB of mail storage and guaranteed uptime of 99,9% in any given month!. Well, last night around 19:15 I got this nice '502' error At 20:00 I started to get a little… Read more
Who's going to buy SPSS?
2009 will be a turning point for the so called 'business analytics' market. While ETL, reporting and OLAP have become more of a commodity and merely belong to the basic set of tools needed for doing business, organizations can still beat the competition with the smart use of advanced analytics. Now… Read more
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