Data Science Stack Exchange
Data Science Stack Exchange

Questions tagged [knowledge-base]

26 questions
34
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5 answers

What are the use cases for Apache Spark vs Hadoop

With Hadoop 2.0 and YARN Hadoop is supposedly no longer tied only map-reduce solutions. With that advancement, what are the use cases for Apache Spark vs Hadoop considering both sit atop of HDFS? I've read through the introduction documentation for…
idclark
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13
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3 answers

Are ontologies and the Semantic Web dead?

Is the Semantic Web dead? Are ontologies dead? I am developing a work plan for my thesis about "A knowledge base through a set ontology for interest groups around wetlands". I have been researching and developing ontologies for it but I am still…
Antonio Edgar Martinez
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11
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3 answers

Best languages for scientific computing

It seems as though most languages have some number of scientific computing libraries available. Python has Scipy Rust has SciRust C++ has several including ViennaCL and Armadillo Java has Java Numerics and Colt as well as several other Not to…
ragingSloth
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11
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3 answers

Data Science oriented dataset/research question for Statistics MSc thesis

I'd like to explore 'data science'. The term seems a little vague to me, but I expect it to require: machine learning (rather than traditional statistics); a large enough dataset that you have to run analyses on clusters. What are some good…
user3279453
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7
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5 answers

How is Data Science related to Machine learning?

I went through this comparison of analytic disciplines and this perspective of machine learning, but I am not finding any answers on the following: How is Data Science related to Machine learning? How is it not related to Machine Learning?
Subham Tripathi
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5
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Data Science Association?

Have you heard of the "Data Science Association"? URL: http://www.datascienceassn.org/ Do you expect it to become a professional body like the Actuaries Institute? If yes, then why? If no, then why not and do you see anyone else becoming the…
power
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5
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5 answers

Data science Ph.D. program, what do you think?

As Yann LeCun mentioned, a number of PhD programs in data science will be popping up in the next few years. NYU already have one, where Prof.LeCun is at right now. A statistics or cs PhD in machine learning is probably more rigorous than a data…
user13985
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3
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1 answer

how to increase the coverage of wordnet using wikipedia

I want to increase the coverage of wordnet by increasing the synset count. Is there a way in which I can proceed and increase sysnets. I am trying to work on Hindi wordnet with Princeton wordnet as the standard
gaurus
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2
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1 answer

What knoweldge framework supports this type of query?

I have knowledge that is organized as in the example below, where items or nodes can belong to multiple hierarchies and can have arbitrary numbers of children and parents: sports golf baseball tennis equipment golf clubs …
Andrew73249
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2
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1 answer

How should I build a Knowledge Graph for a custom dataset?

I'm new to machine learning and I'm trying to create a small Knowledge Graph for search purposes similar to Google for a class project. Okay, so I have been searching on this topic for few days and this is what I have found from the web and research…
Vishnu Vardhan
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2
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0 answers

Debugging Neural Network for (Natural Language) Tagging

I've been coding a Neural Network for recognizing and tagging parts of speech in English (written in Java). The code itself has no 'errors' or apparent flaws. Nevertheless, it is not learning -- the more I train it does not change its ability to…
Nate Cook3
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Options to find the most similar question in a dataset of question-answer pairs?

I am building a chatbot that will only handle FAQs, but these FAQs are very specific to an organisation, so I cannot use any existing off-the-shelf solutions, or connect to question-answering APIs. I have a dataset which consists of questions,…
KOB
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1
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What are some nice projects to do on Knowledge graphs?

Okay, so coming straight to the point, I have to do a major project to demonstrate the use cases and advantages of using knowledge graphs. I have seen some ideas in internet like fraud detection and movie recommendations system but quite not…
Vishnu Vardhan
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Ontologies with user interface

I am working on the development of an ontology for my dissertation project. I have read plenty of resources and tutorials on how to develop ontologies, why are they useful and how to use them. I've been trying to find examples of ontologies that…
Dr.Fykos
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2 answers

What is the definition of knowledge within data science?

"Knowledge" is crucial within several fields like Knowledge Discovery, Knowledge Distraction, Natural Language Processing, Data Mining, Big Data, etc etc etc. What is the definition of knowledge within these fields? Is there 1 common definition, or…
Berit Larsen
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