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Questions tagged [vsm]

40 questions
55
votes
5 answers

Simple implementation of N-Gram, tf-idf and Cosine similarity in Python

I need to compare documents stored in a DB and come up with a similarity score between 0 and 1. The method I need to use has to be very simple. Implementing a vanilla version of n-grams (where it possible to define how many grams to use), along…
seanieb
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42
votes
6 answers

Cosine similarity and tf-idf

I am confused by the following comment about TF-IDF and Cosine Similarity. I was reading up on both and then on wiki under Cosine Similarity I find this sentence "In case of of information retrieval, the cosine similarity of two documents will…
N00programmer
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18
votes
4 answers

What is the replacement for DataTrigger in Silverlight

This is my scenario. I have 2 Properties. Type and State. Type is an Enum with 3 values eg, ball, car, arrow. State is an int which would accept 3 state values eg., -1, 0, 1. Also, I have 9 images for each state values. Like, if I select type as…
Prince Ashitaka
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11
votes
1 answer

VisualStateManager and generated transitions

Just when I think I understand the VisualStateManager, something proves me wrong. I'm using WPF 4 and am trying to simply enlarge an item on mouse over, and shrink it back on mouse leave. I figured I'd just define each state in a VisualStateGroup…
cantloginfromwork
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9
votes
1 answer

Problem setting Foreground with Visual State Manager

I have a WPF application, and I am attempting to style a TextBox using the .Net v4 Visual State Manager. Specifically, I am attempting to set the colors of the Foreground and Background for the MouseOver state. What is happening is that, while the…
David Mullin
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5
votes
3 answers

Expression Blend VSM vs Event Driven

I recently used Expression Blend and I found that it has something called Visual State Manager, what is the difference between it and the regular event driven model, and which is better?
Ehab ELwazery
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5
votes
2 answers

Visual State Manager on Custom Control

I have built a custom control that extends content control. Within this I have a parts and states model that is working fine. I then use this as the root of my xaml(placing the code in the templates folder in Blend) Everything works fine, I can open…
DavidA
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4
votes
1 answer

ControlTemplate.Triggers WPF equivalent in Silverlight 3

I have this controltempalte + trigger stuff in my WPF application.
SL3NewUser
4
votes
1 answer

Animate TranslateTransform.Y to a control's height (purpose is to slide element off sight)

Given: Control (x:Name="border1") with a VisualStateManager. Control's RenderTransform is set to a TransformGroup that contains a TranslateTransform. In VisualState "NotShown", TranslateTransforms Y property should be animated to a Value that is (at…
user1282998
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3
votes
2 answers

Text Retrieval using R

I have been using R's text mining package and its really a great tool. I have not found retrieval support or maybe there are functionalities I am missing. How can a simple VSM model be implemented using the R's text mining package?
Shivani Rao
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3
votes
1 answer

OpenGL Variance Shadow Mapping inverted falloff

I'm trying to implement Variance Shadow Map techniqe with OpenGL API. I have been using tutorial (Fabien Sanglard's Soft shadows with VSM) and followed every step, but my shadowmap looks kind of weird. The main thing i've noticed is that when i…
Vladislav Mikhalin
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3
votes
1 answer

Normalizing Vectors with Negative values

I want to represent each text-based item I have in my system as a vector in vector space model. The values for the terms can be negative or positive that reflect the frequency of a term in the positive or negative class. The zero value means neutral…
Haifa
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3
votes
3 answers

WPF and VSM - List of States?

I'm using VSM (Visual State Manager, from the WPF Toolkit) in WPF and I'm trying to find a list of States. Basically, I understand that there are certain "magic" states - like the MouseOver state is automatically applied when the control is moused…
Andrew Dunkman
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2
votes
1 answer

Re-templating built in WPF controls using Visual State Manager

I am developing an application in WPF and would like to use to re-template built in controls (Button,ListBox, etc) using the VSM instead of triggers. Is there a built in way to do this? Anyone have any implementation strategies they'd like to…
Brian
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2
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0 answers

Lucene BM25 Scoring

Im trying to use Lucene for calculating similarities on a number of Documents. For the similarity calculation im using the BM25 und the VSM. Besides Lucene Im using GATE, an OpenSource Framework that performs Language Processing tasks. When Im…
PaulSchell
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