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Building and managing training datasets for machine learning

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Spam Tutorial: Baseline models perform better than model with snorkel labels

I'm just getting started with Snorkel and working through the spam tutorial here: https://github.com/snorkel-team/snorkel-tutorials/blob/master/spam/01_spam_tutorial.ipynb If I set all the proper seeds, I can reproduce most of the results. However towards the end, when we…

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Has anyone tried doing NER with Snorkel? If so, can you provide an example?

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Hi - newbie here (I'm a software engineer @Google).

I'm having trouble following the Get Started tutorial. Specifically, after 'pip install snorkel', "from utils import load_unlabeled_spam_dataset" still fails. Is there another Python package to install?

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multi-class labeling

Hello, all! I am wondering if the LF allows the rules for defining multiple classes? for example: Rule-> class A and class B or Rule -> class A or Class B. Also, if LabelModel allows such LFs. if not, what's the best practice. Thanks!

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snorkel tutorial for NER

Thanks @braden-hancock for directing me to the right channel for this request. Would like to propose new tutorial related to NER to be added in the coming new release of snorkel.

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Understanding buckets key in error_analysis.py

In error_analysis.py class documentation for get_label_buckets method, it's mentioned that "The returned buckets[(i, j)] is a NumPy array of data point indices with predicted label i and true label j." Don't you think that i and j are true labels and predicted labels,…

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I am confused: What is the role of labeled data in Snorkel? Thanks!

When I first started reading about Snorkel I had the impression that it could learn to label without any labeled data whatsoever, which seems amazing, if not impossible -- almost like a perpetual motion machine: "We show...we can recover accuracies...without any labeled…

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Relationship between MeTal and Snorkel?

Hi, I'm just starting to learn about Snorkel and have also been reading about the MeTaL work. How does MeTaL differ from Snorkel? I'm giving a talk on Snorkel on Friday, so it'd help me to know! Is MeTaL just a precursor to Snorkel that is now subsumed by it? Thanks! -- Bill

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Spouse relation extraction performance

This paper (https://arxiv.org/pdf/1711.10160.pdf) shows discriminator F1 to be 54.2 but at the very end of the spouses demo (https://github.com/snorkel-team/snorkel-tutorials/blob/master/spouse/spouse_demo.ipynb), F1 score obtained is 28.63. Why is this difference? I initially…

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Multitask learning tutorial

I would like to see an example of hierarchical multitask learning

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