relates to algorithms that are "trained" by some data set.

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0
votes
2answers
175 views

What machine learning algorithm should I use to build an intelligent reminder? [closed]

I'm trying to build an intelligent reminder application for the mobile platform. I'm new to this and I'm kind of lost. So here's the problem... The application must behave like a personal assistant ...
0
votes
1answer
47 views

How to create good positive and negative images for opencv to distinguish smiling from not smiling? [closed]

My goal is to create an opencv haar classifier xml that distinguishes between me smiling and not smiling. I created images, cut them, showing me smiling and as negatives not smiling. About 5000 ...
1
vote
0answers
26 views

How is the event model of multinomial naive bayes algorithm right

The event model of multinomial NB is this: P(x1, x2...Xm | y=k) = P(x1 | =k) * P(x2 | y=k) * ...* P(xm | y=k), where x is i'th word in the document. Then we apply it to bag of words model. P = P(x1 ...
2
votes
1answer
47 views

How to access large amounts of data for machine learning in a microservices architecture

Imagine you are building a product recommendation algorithm for an eccommerce application which is built as a microservices architecture, this architecture having separate services for users and ...
1
vote
1answer
53 views

Recommending new products using k-means clusters?

I'm trying to figure out the best way to recommend images based on past classifications using k-means clusters. What I have done is mapped the RGB values of a set of images, performed a k-means ...
1
vote
1answer
119 views

Generate algorithm to solve peg solitaire

I know that with regression it is possible to generate a mathematical function based on experimental data. I was wondering, maybe there is a way to generate something more complex. I have a single ...
0
votes
0answers
44 views

Neural network converges to 0.5 for XoR

I'm coding a neural network in C for an OCR project. Before testing with character recognition, I'm making it learn the XoR operation. Although, the results I'n getting always converges to 0.5 instead ...
0
votes
1answer
370 views

Why does this evaluation function work in a connect four game in java

I am exploring how a Minimax algorithm can be used in a connect four game. I was looking through a program and found this evaluation function. private static int[][] evaluationTable = {{3, 4, 5, 7, ...
1
vote
1answer
193 views

How can I apply machine learning to automated melody generation? [closed]

I've been working for a while on an app that makes up melodies. Each melody is composed of several phrases (musical sentences, or 'sub-melodies'). Now, I want to improve on this: The user can press ...
9
votes
5answers
2k views

Is it imaginable to teach a machine how to program itself to a defined specification? [closed]

A friend of mine without programming knowledge asked me this question and I found it interesting. I think it is not possible because it would require a really advanced artificial intelligence ...
11
votes
3answers
745 views

Is there a good Cognitive Architecture for implementing intelligent software agents?

So, I like dabbling in intelligent agent design (mainly video-game 'bots' but also some general task automation), but as a budding psychologist, I'd be really interested in a platform for developing ...
130
votes
14answers
7k views

Simple method for reliably detecting code in text?

GMail has this feature where it will warn you if you try to send an email that it thinks might have an attachment. Because GMail detected the string see the attached in the email, but no actual ...
0
votes
0answers
37 views

Efficiently extracting data from pdf with a template system?

basically allow a user to label specific text in a pdf file. Use the label information to create a template, which a script uses to extract text from specific pdf. What would be a good pattern to use ...
1
vote
0answers
50 views

How do I visualise the feature space partitioning in random forest?

I am learning about random forest and found this video https://www.youtube.com/watch?v=gdnIqGbqiYs&list=UUb9svouAi1XHRqlOs8LXbBg very useful. The first 8 minutes explain how to visualise how the ...
0
votes
2answers
167 views

How could an expert system get some meaning from a sentence? [closed]

How could an expert system tell following scenarios apart? How could we include some meaning of a sentence, if at all? A machine needs 1 day to produce x units, and, we know that two machines like ...
0
votes
1answer
58 views

Is this a good task for machine learning - grouping pieces of DNA based on sequence?

Say I have a list of 50 DNA sequences all of the same length (6, 8 or 16 bps/ chars). I want to group these to sets of say 5 or 6 sequences per set. I have some criteria that need to be met based ...
2
votes
1answer
126 views

Random forest ML algorithm suitable for use on cluster based HPC?

I need help in identifying a better algorithm. I have developed a script using pythons scipy package to analyse a rather large model that I wish to solve. The model contains over 12GB of data ...
2
votes
0answers
20 views

How to use event weights in TMVA ROOT

I'm trying to train and perform classifiers from TMVA. My data set contains event weights besides event data. In the TMVA::Factory there's a method setWeightExpression to specify event weights. What ...
1
vote
1answer
93 views

Is it possible to get probabilities from a support vector machine?

From what I understand, SVM's take a discrete number of x and y values from which to learn from, then when given new x values map it to one y value (category). Is it possible to use SVM's or something ...
4
votes
2answers
128 views

Can I use machine learning for screening experimental data?

I am a experimental physicist. In our research, we have our experimental data in a 400*400*400 matrix(x, y, z axis of a 3d space), each entry is associated with a value("brightness"). We expect the ...
4
votes
4answers
533 views

Implementing a machine learning algorithm to detect the region of an address

I have 10,000 addresses from a city, which all have a region field in the database. When a new address is entered, then I want my software to automatically detect the region of the address . I think ...
0
votes
1answer
92 views

Looking for a specific type of artificial intelligence

I am looking to create a challenging AI project. There is an online card game that allows you to build a deck to play with out of randomly presented cards. You have to choose one each time out of a ...
11
votes
9answers
866 views

Learning the rules of chess

A similar question asks whether a computer can learn to play optimally in chess by analyzing thousands of games. If a machine can look at the state of the board for a few games of chess (or a few ...
2
votes
1answer
133 views

Support Vector Machines as Neural Nets?

This is more of a conceptual question. I have learned about Neural Nets, and I have some clue as to how Support Vector Machines work. I read somewhere however that given the appropriate kernel (is ...
0
votes
2answers
125 views

How to make the leap from classification to clustering

I have a clustering problem which I can't seem to solve, although if I treat it as a labeled classification problem, I can solve it with satisfactory precision. Is there an elegant way to make the ...
11
votes
1answer
942 views

How is machine learning incorporated into search engine design?

I am currently building a small in-house search engine based on Apache Lucene. Its purpose is simple - based on some keywords, it will suggest some articles written internally within our company. I am ...
60
votes
5answers
71k views

R vs Python for data analysis [closed]

I have been programming for about a year and I am really interested in data analysis and machine learning. I am taking part in a couple of online courses and am reading a couple of books. Everything ...
5
votes
2answers
298 views

How to solve this problem- Neural Net? Fuzzy? Other?

Hi I have a programming problem that I would like to solve using some artificial intelligence technique. I really dont know where to start. I would like some guidance as to what methodology to pursue. ...
1
vote
1answer
418 views

Machine Learning Algorithm for Heating/Lighting Optimization

I'm working on a project where I'm developing an interface that learns how you typically use a space, and tries to create the most appropriate control strategy for heating/lighting. I've done some ...
3
votes
2answers
144 views

Learning system instead of using sed/replace for reviewing test results

For every build of my software I run it through a series of tests that execute a number of commands on a command line and captures the results. Most of the time the output is a combination of: - ...
1
vote
0answers
105 views

Algorithm to analyse and predict

I'm having a set of data's, say Question, Question's Main Category,Main Category followers, Question's Related Categories,Each Related Categories followers, Whether it got answer in 24hrs [Yes/No] ...
1
vote
1answer
961 views

How to design a calculator from scratch [closed]

A basic calculator can perform a wide variety of operations. How does the claculator 'get' the concept of adding two numbers in the same way a human does? I dont think people that make claculators ...
6
votes
3answers
2k views

What algorithm(s) can be used to achieve reasonably good next word prediction?

What is a good way of implementing "next-word prediction"? For example, the user types "I am" and the system suggests "a" and "not" (or possibly others) as the next word. I am aware of a method that ...
9
votes
4answers
13k views

Industry jobs in artificial intelligence [closed]

As a relatively new computer science student, I am trying to find my niche within this broader field. My main goal is not academia but, well, a job. As such, I want to choose a specialization or two ...
2
votes
1answer
542 views

Machine Learning with sample data set

I have a question regarding Machine Learning in general. Consider the following scenario: Given a piece of text, we want a program to know whether the text is 'abusive' or not. To do this we can ...
9
votes
3answers
776 views

Can a neural network provide more than “yes” or “no” answers?

Every example neural network for image recognition I've read about produces a simple "yes" or "no" answer. One exit node corresponds to "Yes, this is a human face," and one corresponds to "No, this ...
3
votes
2answers
144 views

Clustering algorithm that doesn't require predefining the number of clusters required

I have a set of user queries from a search engine that I want to cluster. The only clustering algorithm I have come across so far is the K-means clustering algorithm, which requires defining the ...
4
votes
2answers
1k views

Machine Learning With Categorical and Continuous Data

This question could go here or on S.O. perhaps... Suppose that your training dataset contains both categorical and continuous data such as this setup: Animal, breed, sex, age, weight, ...
3
votes
1answer
186 views

Tasks incorrectly categorized with online text classifiers

Context: Finding company to do the job The use case of an application I want to write is that a user will describe a task to be performed by some company, e.g., I want to move 10 boxes ...
9
votes
2answers
2k views

What math skills are required to learn machine learning?

I am interested in taking this online course on machine learning. As it stands my math is very elementary, and I am basically learning math from scratch on khan academy. Programming-wise I have a ...
10
votes
4answers
594 views

Using machine learning to aim mirrors in a solar array?

I've been thinking about solar collectors where several independent mirrors to focus the light on a solar collector, similar to the following design from Energy Innovations. Because there will be ...
4
votes
1answer
321 views

What's the normal way machine-learning algorithms are integrated into normal programs?

I'm currently taking a machine learning course for fun, and the course heavily focuses on Matlab/Octave to write the code. One thing mentioned in the course is that, while Matlab/Octave are great for ...
7
votes
1answer
5k views

Decision trees vs. Neural Networks

I'm implementing a machine learning structure to try and predict fraud on financial systems like banks, etc... This means that there is a lot of different data that can be used to train the model eg. ...
3
votes
3answers
2k views

Separating words in a string

How do I separate words in a string? In the following I have a random sample of words in a string extracted from text file with over a million words. Here's the string: "intervene Pockets ...
1
vote
2answers
1k views

How to create a Semantic Network like wordnet based on Wikipedia?

I am an undergraduate student and I have to create a Semantic Network based on Wikipedia. This Semantic Network would be similar to Wordnet(except for it is based on Wikipedia and is concerned with ...
1
vote
4answers
146 views

Possible applications of algorithm devised for differentiating between structured vs random text

I have written a program that can rapidly (within 5 sec on a 2GB RAM desktop, 2.33 Ghz CPU) differentiate between structured text (e.g English text) and random alphanumeric strings. It can also ...
10
votes
4answers
3k views

Switching to a career in Machine Learning [closed]

My day job is plain old software development. I am also doing my Masters in CS (part time, course based). I took a course on AI and found machine learning quite fascinating but like most courses it ...
9
votes
1answer
414 views

what do programmers dealing with data driven/machine learning related programming need?

Given the increasing amount of data generated through different web services ( social network, etc), there are must be more and more programmers who are familiar with machine learning and/or ...
8
votes
3answers
3k views

what techniques can be used to implement Facebook's People You May Know feature? [closed]

I'm curious to learn from a technical perspective what techniques can be used to make recommendations for e.g. Facebook's "People You May Know" (what algorithm do they use, etc.)? One of the things ...
6
votes
2answers
489 views

How to trim emails for just the body, when using email as input to an external system?

When an application allows emails to be sent to it to either reply to comments or add todos, trimming those emails for just the relevant text becomes a problem, since there are many different ...