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Questions tagged [content-based-retrieval]

33 questions
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How to pass a user input through cosine similarity?

I am an absolute beginner in coding. There is this book recommendation system, but I want to make a small change here. Currently, the program recommends similar books after receiving book ID from the user, but I want it to take a book title as input…
Anjit Tandukar
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Neural Networks Descriptors in Approximate Nearest Neighbor for Image Retrieval

Disclamer: I don't know nothing about Neural Networks or deep learning. VLAD and Fisher Vectors with Product Quantization are a good example of how Approximate Nearest Neighbor can be used for good image retrieval. However, it has been proved how…
justHelloWorld
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How to measure distance between Fisher Vector for Image Retrieval?

I've read something about Fisher Vector and I'm still in the learning process. It's a better representation than the classic BoF representation, exploiting GMM (or k-means, even if that's usually referred as VLAD). However, I've seen that usually…
justHelloWorld
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Content-based filtering with elasticsearch

I am trying to build a content-based filtering system that classifies products by assigning them features that read like { salty: 0, sweet: 0.5, bitter: 0.7}. Which means I give every product a n-dimensional vector, in this case [0, 0.5, 0.7].…
Thorben Croisé
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How to add a single file from one git repository to another?

Is it possible to add a single-file resource from one Git repo to another? Kind of like of like submodules but even more lightweight git import repo:file:SHA1 Until Internet itself gets builtin content based addressing, I see no reason to not…
Nordlöw
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Does Mahout provide a way to determine similarity between content (for content-based recommendations)?

Does Mahout provide a way to determine similarity between content? I would like to produce content-based recommendations as part of a web application. I know Mahout is good at taking user-ratings matrices and producing recommendations based off of…
user1431072
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Camel: How to go all "when" in "choice when"

I need to ask a problem on the operator "choice when" in Apache Camel route. In the following example, if I have two soap-env:Order elements which have 1, 2 value, then I want to create two xml file named output_1.xml and output_2.xml. However, the…
HongAnTC AnAn
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how to create a user profile in content based recommendation systems

I'm building a basic content based recommender system, I'm expected to make a user profile of N users who supposed bought N items, then using naive based, on the user profile to figure out which feature to keep. im having a hard time understand the…
mahdy
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Suitable evaluation metrics for Content-based Recommender System

I am building a course recommendation system. The idea is to build a personalize system that users can see all the course recommended by the system when they login. All the data I have is four columns: username (str) position (str, for exp: data…
Chris Ho
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Predict rating in content-based recommender

I have been working with a basic CB rec sys and I already made this steps: --Create TF-IDF vector for each item. --Get user profile according to the ratings each user has given. And after that it seems that I can just get the similarity between the…
Daniela Varela
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Is there any way to use Content Based Recommendation using flutter as frontend and firebase as backend?

I am developing a question answering system app like quora, I want to add content based recommendation to my app so that it can give suggestion while searching question based on users previous seen data and also use the recommendation system for…
crackpot98
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Product Recommendation System using Content Based Filtering ( TF-IDF)

Is is possible to implement product recommender system using TF-IDF? Any data can be used in this recommender system ? (currently I have product name and description). Besides that, can I use rating in this recommendation system ?
Wayne Yap
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Precision--recall curves in image retrieval domain

I am working on loop-closure detection problem in two different seasons, e.g., summer, and fall. I need to make precision-recall curves. Suppose, I have taken 500 image from summer and 500 image from fall season. I have distance matrix. enter image…
Hrid Biswas
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tf-idf to users preferences vector

I'm fairly new here and I'm thanking in advance everybody who will take the time to read this question. We're building a recommender system using tf-idf to generate normalised vectors of documents. Based on the interactions of the users with the…
blueskylondon
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LDA in Python for Computer Vision

I am working on Content Based Image Retrieval using LDA(Latent Dirichlet Allocation) Topic Modeling. I wish to use Python for the same. I am not able to find any libraries/packages in Python for LDA for image dataset.This package seems to work only…
Aparna P L
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