Johan Åhlén

Johan Åhlén's blog about life, universe and everything.

Browse by Tags

All Tags » StreamInsight (RSS)
StreamInsight 1.1 released
A new version of StreamInsight has just been released. The biggest news are support for the Reactive Framework in .NET 4.0 , making it much easier to integrate with existing .NET applications, better performance and stability , especially for edge joins...
Posted: Oct 26 2010, 02:00 PM by jahlen
Filed under:
New StreamInsight article published - How to build a realtime Twitter adapter for StreamInsight
I've written a new StreamInsight article which explains how to build a realtime Twitter adapter for StreamInsight. Below is a screenshot of my sample application: Check it out on the link below: http://www.sqlservercentral.com/articles/StreamInsight...
StreamInsight introduction and BizTalk adapter
I stumbled upon this blog post, which I think gives a very good introduction to building a StreamInsight Application: http://blogs.msdn.com/b/masimms/archive/2010/08/10/building-your-first-end-to-end-streaminsight-application.aspx It's rather long...
Autodetecting Instance Names in StreamInsight
Since the RTM version you have to specify the instance name when connecting to or creating an in-process StreamInsight server. There is no such thing as a "Default Instance" like there is in the SQL Server database engine. Since users are very...
Posted: Jul 19 2010, 08:23 AM by jahlen
Filed under:
StreamInsight - how to solve the "Input string was not in a correct format" bug
Are you running StreamInsight in a non-English speaking country? Then you may have run into the problem of getting the exception "Input string was not in a correct format" from StreamInsight when you try to run a query that contains a non-integer...
Posted: Jun 04 2010, 09:59 PM by jahlen
Filed under:
A volcano presentation at Microsoft BI Conference
Sometimes things turn out in a quite different way than expected. I looked forward to visit the Microsoft BI Conference in Stockholm and listen to Rafal Lukawiecki, but ended up doing a presentation there myself... The background is that Rafal is doing...
StreamInsight resources
New to StreamInsight? Then you could have a look at the following resources to learn more! StreamInsight product information page http://www.microsoft.com/sqlserver/2008/en/us/R2-complex-event.aspx PDC 2009 sessions on StreamInsight http://microsoftpdc...
Posted: Apr 18 2010, 04:56 PM by jahlen | with 1 comment(s)
Filed under:
I will speak about StreamInsight at Miracle Open World in Denmark
Beat the stock market with StreamInsight StreamInsight is one of the main news of SQL Server 2008 R2. It's a platform for Complex Event Processing (CEP) that enables processing of high speed event streams using familiar tools such as Visual Studio...
TechDays - proof I was there
Yes, I got caught on "vimmelbilder" (party pictures) at it24.se. I'm in the background on picture number 15: http://it24.idg.se/2.2275/1.305368/de-minglade-pa-techdays?showGallery=true&img=15#selected Here's a picture of me in action...
Watch my StreamInsight video on YouTube (in Swedish)
I've published a short video on StreamInsight on YouTube. Currently it is available in Swedish only, but I plan to make an English version also. Here is the link: http://www.youtube.com/watch?v=--sgwAU4-uw Hopefully see you on TechDays Sweden next...
StreamInsight example queries, input adapters and output adapters
I've published a couple of example StreamInsight queries, input adapters and output adapters on CodePlex. These examples use sample stock market historical data from 2009 and show how to run StreamInsight in Explicit, Implicit and Observable mode...
I will speak about StreamInsight at TechDays 2010 in Sweden
StreamInsight is one of the main news of SQL Server 2008 R2. It's a platform for Complex Event Processing (CEP) that enables processing of high speed event streams using familiar tools such as Visual Studio, C# and LINQ. CEP is a technology that is...
Algorithmic Trading using Complex Event Processing (CEP) and Data Mining
Algorithmic Trading is automated trading done by computer programs (algorithms) that react to patterns in financial market data or financial news. As of 2009, high frequency trading firms accounted for 73% of all US equity trading volume. Several different...
A first look at SQL Server 2008 R2 - StreamInsight
Background A couple of weeks ago, the second CTP for SQL Server 2008 R2 was released. I downloaded it immediately. Still the product is far from finished, and the CTP didn't contain any preview of the "Gemini" component, but I could at least...