#classification

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Dinosunday

Happy Memorial Day Weekend! Here is the official dinosaur of America’s capital to celebrate. To avoid confusion, this dinosaur has not been officially classified because the only fossil found was one vertabrae from one dinosaur. The classification is still under debate, and current information is subject to change if more fossils are found.

Capitalsaurus

Temporal Range: Early Cretaceous

Location: Eastern United States

Diet: Carnivore

Family: Undetermined

Mineral Monday

Pyrite FeS2

Classification: Sulfide

Name Derivation: Greek word ‘pyritēs’ meaning “of fire.”

Properties: Cubic, 6-6.5 hardness, greenish-black streak

Mineral Monday

Corundum Al2O3

Classification:Oxide

Name Derivation: Tamil word, Kurundam

Properties:Hexagonal, 9 hardness

~ Types of Witches ~

This is not an exhaustive list, so please don’t think you’re limited to what’s written below. Also, don’t be afraid to mix and match to find a practice that works for you! May you be at peace ~

  • ​​Angel Witch - communicates and works with angels and divine beings
  • ​​Animist Witch - tunes into nature and living things, sees no distinction between physical objects
  • ​​Art Witch - works with art as their primary medium
  • ​​Ceremonial Witch - holds ceremonies and rituals in high regard
  • ​​Chaos Witch - blends all types of magick
  • ​​Cosmic Witch - incorporates astrology and astronomy in their craft
  • ​→ Astrology Witch - works with astrology
  • ​​→Lunar Witch - works with lunar cycles
  • ​​Crystal Witch - works with crystals as their primary medium
  • ​​Divination Witch - specializes in divination by using tarot, scrying, etc.
  • ​​Druidic Witch - worships and focuses their craft on nature
  • ​​Eclectic Witch - embraces all kinds of magick and traditions, refusing to be pinned down to a single type
  • ​​Elemental Witch - works with the five elements: fire, water, air, earth, and spirit
  • ​​Fae Witch - works with Fae and other such beings
  • ​​Folk Witch - practices folk magick of their ancestors or of the people in the nearby area
  • ​​Green Witch - bases their craft around gardening and herbalism
  • ​​→Floral Witch - works primarily with flowers
  • → ​​Herbal Witch - works primarily with herbs
  • ​​Healer - practices primarily healing magick
  • ​​Hearth Witch - practices magick that’s focused on the home
  • ​​→Kitchen Witch - practices magick focused on the kitchen
  • ​​→Lounge Witch - limits their craft to their home
  • ​​Hedge Witch - specializes in delivering spiritual messages to and from our reality
  • ​​Musical Witch - expresses magick through music
  • ​​Sea Witch - practices water-based magick
  • ​​Secular Witch - doesn’t use religion in their craft
  • ​​Sigil Witch - uses sigils and words in their craft
  • ​​Solitary Witch - hides their witchiness and works by themself
  • ​​Techno Witch - uses tech to aid in their craft

Introduction

The goal of this research is to find further evidence for the benefits of distributed mentoring. Distributed mentoring is “a kind of mentoring that is uniquely suited to networked communities, where people of all ages and experience levels engage with and support one another through a complex, interwoven tapestry of interactive, cumulatively sophisticated advice and informal instruction” [1]. This involves multiple kinds of feedback exchanged between many mentors and mentees. In this research project, we used machine learning to classify Fanfiction.net reviews by their category within distributed mentoring theory.

Earlier research in our group published in the paper ‘More Than Peer Production: Fanfiction Communities as Sites of Distributed Mentoring’ has outlined 13 categories that were observed in Fanfiction.net reviews [2]. We used shallow positive, targeted positive, targeted constructive, and targeted positive & constructive for this analysis, as they are the four mutually exclusive codes. Table 1 below provides a formal description and percentage of reviews for each of the categories [2].

Table 1: Description and Percentage of Categories (based on 4500 reviews)

(Note: percentages add up to more than 100% because a review could be in multiple categories).

An example of a shallow positive review is “Great story!”, targeted positive is “I loved the character development of James”, and a targeted constructive review is “You could have described the battle scene better!” Targeted positive & constructive reviews contains both targeted positive and targeted constructive comments.

Our overarching research question is “Do certain review categories correlate with various attributes of distributed mentoring?” For example, we want to explore whether substantive, targeted reviews improve authors’ writing. This research would be beneficial to the fanfiction community, as it would provide an outline to members of the community on how to effectively impact and interact with authors. The theory of distributed mentoring is an applicable framework to use, as it discusses the effect of networked communities. To apply this theory, we used the public reviews available in the fanfiction community. Since there are numerous types of reviews, we used the codes listed in Table 1 to classify the reviews.

To classify all Fanfiction.net reviews, roughly 177 million, we explored machine learning classification, as manual coding would be impossible. Classification is a process of predicting the review category for a given set of reviews.

Our goal for this blog was to find the best machine learning model for review classification. We could then use this model to expand our results to the entire Fanfiction.net reviews dataset. Our baseline classification tool was ALOE (Affect Labeler of Expressions), an open source tool developed to train and test machine learning classifiers to automatically label chat messages with different emotion or affect categories [3]. In addition, we attempted various algorithms such as logistic regression, support vector machines, and Naive Bayes. This blog post discusses our approach to running ALOE as well as creating each of the aforementioned machine learning models.


Dataset

To conduct machine classification, we required data to train the model to learn how reviews relate to a certain category. We leveraged a dataset manually classified by previous participants in the UW Human-Centered Data Science Lab research group. Our dataset contained ~8000 manually classified reviews.


Method

The measures of success for performance were accuracy, precision, and recall. Accuracy is the number of correct predictions. This measure, however, can be misleading in classification problems. In the field of data science, we call a positive value true and a negative value false. In this case the value is positive if the review corresponds to the category in question and false otherwise. For example, if a dataset has 99 positive data points and 1 negative data points, a model that predicts only positive would receive a 0.99 accuracy. Therefore, we also used precision and recall to provide a holistic perspective. Precision is ‘how many negative data points did I include in my list of positively predicted examples’, and recall is ‘how many positive data points did I miss’. An average range for precision and recall is 0.6 - 0.7. Anything below 0.6 may signify that the results are not valid while and anything above 0.7 is generally considered a really good score that validates our accuracy.


Figure 1: Image from Wikipedia visually describing Precision and Recall





1. ALOE

We were able to run ALOE by following the documentation at https://github.com/etcgroup/aloe.

2. Other Classifiers

2.1 Logistic Regression

Logistic Regression is a method commonly used when the inputs of the model are categories. We experimented with multiple different parameters and sought a set of parameters that yield the best result from the model.

2.2 Naive Bayes

Naive Bayes is a family of machine learning based on applying Bayes’ theorem to calculate certain probabilities. We explored 3 types of Naive Bayes classifiers on the four categories of data. These were the Gaussian, Bernoulli and Multinomial Naive Bayes methods.

2.3 Support Vector Machine (SVM)

SVM is a method to find the best division between two classes. We explored three different SVM models: default, linear, and  optimal. We used a technique to find the best parameters for each of these models.

When using the four categories defined above, we received low precision and recall scores for targeted constructive and targeted positive & constructive. Hence we decided to combine the three targeted categories in order to solidify our results. This is because there are very few reviews in the dataset for the latter two categories, and all targeted categories qualify as “substantive” since they provide specific feedback to authors. Consequently, we decided to add the update encouragement category, as 27.6% of our dataset is classified as this code. Update encouragement is a category that represents all reviews that encourage the author to write more [2]. These changes enable a more accurate comparison between the various models.


Results

After these changes, we got the following results for our models on shallow positive, targeted, and update encouragement. All values are representative of percentages, from a scale from 0 to 1.





Conclusion

We will expand these results by classifying the entire Fanfiction.net dataset, 177 million reviews, by using Optimal SVM to predict shallow positive and update encouragement reviews and ALOE to predict targeted reviews. After which, we plan to proceed with our analysis between these review categories and attributes of distributed mentoring such as improvement of writing and participation rate. As a starting point, we will explore whether targeted reviews impact authors’ lexical diversity - which is an indicator of improvement in the authors’ writing and a learning gain from online informal learning. Additionally, we will brainstorm other metrics to measure learning and distributed mentoring. Overall, we are delighted that our changes gave positive results and were able to create models that performed better than our baseline, ALOE. A better model means we can more accurately classify reviews and expand our results to provide a blueprint to the fanfiction community on how to effectively impact and interact with authors.

Citations

  1. Aragon C. Human-Centered Data Science Lab » Distributed Mentoring in Fanfiction Communities Human-Centered Data Science Lab. Depts.washington.edu. https://depts.washington.edu/hdsl/research/distributed-mentoring/. Published 2019. Accessed June 5, 2019.
  2. Evans, S., Davis, K., Evans, A., Campbell, J. A., Randall, D. P., Yin, K., & Aragon, C. (2017, February). More than peer production: fanfiction communities as sites of distributed mentoring. In Proceedings of the 2017 ACM Conference on Computer Supported Cooperative Work and Social Computing(pp. 259-272). ACM.
  3. Brooks M. etcgroup/aloe. GitHub. https://github.com/etcgroup/aloe.
This was the first gift accepted by the Museum.The back and cover of this sarcophagus are unfinished

This was the first gift accepted by the Museum.

The back and cover of this sarcophagus are unfinished, and its inscription tablet is blank, which may imply that it went unsold in antiquity. Garlands of oak leaves supported by two erotes and four Victories adorn the front and sides. Medusa heads fill the spaces above the garlands, except in the center of the front, where there is the blank inscription tablet. Six erotes hunt various wild animals along the front face of the cover, while two others stand at the corners. On the left end, Eros awakens Psyche with an arrow, and on the right, they embrace.


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windvexer:

jasper-pagan-witch:

Jasper Thoughts: Spells VS Rituals

I think for my practice, the difference between spells and rituals boils down to the idea that a ritual is a subcategory of a spell.

If a spell is a magical working to achieve a goal, then a ritual is a more intense one with more energy.

I think my points of if something is a spell are as follows:

  • higher intensity
  • more energy needed
  • strict steps with little to no variation
  • grand, possibly repetitive
  • invocation of religious figures or various other entities
  • implies group work

To steal @windvexer’s animal spirit analogy (storedon my Tumblr grimoire), to me, there’s Grandparent Spell and then Parent Ritual.

Granted, this is my understanding of the two words. Others will inevitably have their own takes on categorization and differentiation (in fact, I started a discussion in a Discord server over this subject). After all, as I’m fond of saying, imagine how boring it would be if all of our crafts and/or paths were the same.

This sounds like an invitation to talk about our own meanings :3

For me:

Spells and rituals aren’t levels of the same tier. They are separate, but sometimes overlap, like a Venn diagram.

Rituals:

A specific set of steps undertaken again and again with very little variance, or always adhering to vital components. These steps usually have cultural, spiritual, religious, or traditional significance.

Repeating rituals reinforces and builds tradition. Therefore they can be very important for building a sense of stability and connection for an individual.

Rituals may be performed as expected (such as the ritual surrounding a wedding ceremony) or on a calendar basis (such as a May Day ritual).

Rituals may be magical but they are not inherently magical.

Magical energy raised inside a ritual does not automatically make the ritual into a spell.

For example, a person may observe that during a Pentecostal service a lot of energy is raised towards healing a member of the congregation. However, it is offensive, inappropriate, and false to then say all Pentecostals are actually witches who are actually casting spells.

Spells:

Spells are an act of focused magic intended to achieve a specific goal, whether the manifestation is internal, external, or otherwise.

Spells may be performed in a nigh-infinite variety of ways. A practitioner may use different methodologies each time they cast a spell with the same intent.

Spells are typically only performed as needed.

Spells may be ritualized. To me, this means casting the same spell the same way over and over, often with components that hold traditional, cultural, or spiritual significance.

Spells may be cast inside of a ritual. An example is calling and honoring the Guardians of the Crossways, and then while everyone is present, asking them for assistance in the spell you are about to cast.

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