There are a few commercial implemenations of time series databases - I have listed them on the front page of www.eventstreamprocessing.com, although I lumped...
Esper is a 100% Java component for CEP applications, hosted by SourceForge. Esper is open-source software available under the Apache LPGL license. Esper is...
Hi Everyone, and Happy New Year. We are readying a new version of the CEP website based upon Wordpress. It has more of a Blogging flavor and is in line with...
I had a quick look at the reference manuals. I must say this looks like a very encouraging piece of work. I have a couple of quick questions (the FAQ section...
Nice, Simple Website. Wish we could have a dash board to track the number of users posting, accessing the site in real-time. -Sunil R Oracle BAM hansgilde...
Hi, As i'm new to the group, i introduce myself. My name is Nicolas Museux. I'm a french research engineer working for Thales Research & Technology center. I'm...
I have added a FAQ section to the website. An updated version of the reference manual has also been made available from the site. The new version outlines the...
Nicolas, ... If I interpret your question correctly, you have a scenario where an event can trigger a set of different activities (or actions). For example,...
Something like that. But my problem is that i don't know in advance how many rules will be triggered (at the modelling step), or only one but in a second order...
... Do the actors get the same information about the crash in the notification or do each of the actors get, potentially, different information? Mikael...
In my initial problem, they get the same type of information but with personal/dedicated values. But in a general context, i can imagine that those actors...
Hi, I've been interested in ECA rules since I did my M.Sc. project on active object-oriented databases back in 1991. During the 90s I did some work on applying...
Hi Nicholas, Answer to your question: Yes, absolutely. An event can cause several other events. This is simply fan-out of the causality relationship. ...
Welcome everybody, my name is Manuel; I study information systems management at the University of Mannheim, Germany and do currently write my diploma theses....
Hi Manuel, we're working on case studies about CEP/BAM as well. Perhaps we could cooperate? CITT is a kind of a spin off company of the universities of...
Thank you Mikael and David for your answers. What can i do if i want my system to do this? May i use a control loop, where each generates the right event? I...
Nicolas - Here's an example for you, using the Progress Apama ESP EPL- multiplexing and de-multiplexing events, to use a hardware term. This example shows...
We have just switched to the new format CEP website. You will notice that (as of time of writing) the website is not displaying correctly. We are in the...
Hi, When developing software, people can use UML diagrams together with an OA/D process to derive classes etc., but what about modeling of events? For example,...
I am new to this group, and just thought I'd pass along this post from analyst, Robin Bloor on ESP and StreamBase. Evidently Bloor is doing a webinar on the...
The open-source Esper engine for Java ESP and CEP applications has released an alpha version 0.7.5 with some important new features, such as outer joins...
Several places on the Web, including this list, have featured interesting discussions on what makes a CEP application, and consequently what features are ...
Hi group, A time ago I read a working draft of a paper "RuleML Reaction Rules Requirements 1.0". Are anyone working on this paper or the topic anymore? I also...
Folks - Below is snippet from article that talks about Apama acquistion by Progress. I can clearly understand the value of ESP/CEP in financial world where...
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