Tagged Questions
2
votes
1answer
195 views
A parellel between LSA and pLSA
In the original paper of pLSA the author, Thomas Hoffman, draw a parallel between pLSA and LSA data structures that I would like to discuss with you.
Background:
Taking inspiration the Information ...
1
vote
0answers
24 views
Evaluation and Testsets for NNMF
I am trying to evaluate my recommender system which uses Non-negative Matrix Factorization. Some things that I evaluate are
How does the size of the feature matrix affect the recommendations
How ...
2
votes
2answers
107 views
How do you predict a continuous value from many booleans & a continuous value?
Hello: I am a computer science student working as a research assistant in an undergrad IR lab, feeling spectacularly out of my element.
Given an input of a single continuous value and a vector of ...
2
votes
0answers
61 views
Software library for Hidden Markov Modeling of a large text database
Given
we have a large database of texts (e.g. product descriptions)
and we want to extract multiple types of information (e.g. brand, release date, features, price, etc.)
what's a good library to ...
7
votes
2answers
201 views
Understanding and applying sentiment analysis
I was just having been assigned a project of conducting sentiment analysis for some document collections. By Googling, a lot of sentiment-related research has popped up.
My questions are:
What are ...
1
vote
2answers
395 views
KL divergence calculation
I am wondering that how one can calculate KL-divergence on two probability distributions. For example, if we have
...
