Does Ruby have a gem for analyzing sentences? [closed] - ruby-on-rails

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What I want is to be able to parse a sentence and classify the words in it as a noun,verb,adjective...etc
I'm aware of Ruby Wordnet and a few other similar projects, but I want something that's a lot simpler to use. Also, I'm open to any suggestions on how I could accomplish this without even requiring a gem.

I recently used engtagger to accomplish what you're describing. It's a pure Ruby gem, so it has no dependencies, but it is pretty old and has some quirks. Still, it was fast enough and accurate enough for my purposes.
As for doing part-of-speech tagging without a gem... it turns out that it's more complicated than you might think. You could implement a Brill tagging algorithm on your own, but that's probably not the best use of your time.

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Is there a Rails like framework for SOA? [closed]

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For traditional monolithic MVC applications, Rails is great! But it's a bit harder to operate smaller services into it's rather bulky design. Sinatra is great for smaller HTTP based services but I'm curious, is there a Rails like framework (having generators and other helpers) for service orientated architectures?
Brandon Hilkert has been doing some posts about this topic. You can check them out here. There are also some books available on Amazon like this one. StichFix also created a gem to somewhat assist in this.

Cheat Sheet or Flowchart for Computer Vision [closed]

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I was curious if anyone knew of something like this flowchart but for Computer Vision tasks? Specifically for OpenCV would be most ideal.
Or any references with best practices, and common patterns for Computer Vision problems?
That's a monumental task. The best I could find is from this article and it's a little bit old:
Maybe it's a good time to commit to FlexCV on Kickstarter.com, a GUI for OpenCV that allows you to create complex algorithms in a matter of minutes by connecting graphical elements together. It's an alternative for Adaptive Vision, but purely based on OpenCV features.

Ruby: looking for ruby-embeddable interpreter or scripting language [closed]

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In response to a previous question, #Pablo Fernandez suggested I implement a simple interpreter using Treetop to embed in my RoR application. It looks like a good approach.
But I can't help but wonder: hasn't anyone written a toy interpreter to embed in a Ruby app? I don't need any I/O functions -- in fact, I specifically don't want any I/O functions. (If you're wondering why I want an interpreter inside of Ruby, please refer to the original post!)
Thanks.
FWIW, I ended up tweaking a version of stickup to use as a embeddable interpreter. The process was fast and easy and serves my needs well. (And besides, I used to work for a Common Lisp company, so it was an excuse to re-live the joys of s-expressions.)

Any tutorial/ good documentation on how to use the Mixture of Gaussians opencv implementation? [closed]

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I have found OpenCV code that uses CvGaussBGStatModelParams structure, cvCreateGaussianBGModel, and other related functions. However, I haven't been able to find any explanations for how they work and how they are to be used and what they mean.
Any help would be appreciated.
These functions are undocumented (at least as far as the manual goes). However, if you look around in the source, you will find them in src/cvaux/cvbgfg_gaussmix.cpp. In there:
This is based on the "An Improved
Adaptive Background Mixture Model for
Real-time Tracking with Shadow
Detection" by P. KaewTraKulPong and R.
Bowden
http://personal.ee.surrey.ac.uk/Personal/R.Bowden/publications/avbs01/avbs01.pdf
The windowing method is used, but not
the shadow detection. I make some of
my own modifications which make more
sense. There are some errors in some
of their equations.
That link is probably a good start for you.

Looking for simple poll/survey Rails plugin or gem [closed]

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I am trying to find a simple poll plugin/gem (the type of single question poll that's usually found in site's sidebar). All plugins that I've found are either too complex (like having their own DSL) or they are out of date (i.e. older than couple years).
Does anyone knows a Rails plugin/gem that handles simple polls?
Have you tried SMeRF, I'm currently using Surveyor and yes it is complicated. So I recommend you to use SMeRF, it is a lot more simple. But I can't seem to make it work on Rails3. xP
What version of Rails are you using?
I ended up writing my own custom solution for a simple poll I needed. Unfortunately, I needed it fast so I wrote it within an app I was working on (i.e. I didn't separate it into gem)

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