Class 10 (English 197 – Fall 2022)

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Class Business

Arnhold Undergraduate Researh Fellows program
(application deadline: Oct. 28)


Grading of Project Proposals (in-progress)


Readings for Next Class

Discussion of Topic Modeling

Explanation of topic modeling (Alan's standard basic introduction) (screenshot)

Explanation of topic modeling
(Alan’s standard basic introduction)


Andrew Goldstone and Ted Underwood“The Quiet Transformations of Literary Studies: What Thirteen Thousand Scholars Could Tell Us” (2014)

Figures 1-2 in Andrew Goldstone and Ted Underwood, “The Quiet Transformations of Literary Studies: What Thirteen Thousand Scholars Could Tell Us” (2014)
Figures 1-2

Figure 4 in Andrew Goldstone and Ted Underwood, “The Quiet Transformations of Literary Studies: What Thirteen Thousand Scholars Could Tell Us” (2014)
Figure 4

Figure 5 in Andrew Goldstone and Ted Underwood, “The Quiet Transformations of Literary Studies: What Thirteen Thousand Scholars Could Tell Us” (2014)
Figure 5

Figure 7 in Andrew Goldstone and Ted Underwood, “The Quiet Transformations of Literary Studies: What Thirteen Thousand Scholars Could Tell Us” (2014)
Figure 7

Whether numbers add subtlety or flatten it out depends on how you use them, and a simple graph of word frequency like figure 1 is not necessarily the most nuanced approach. The graph is hard to interpret in part because these words have been wrenched out of context. Five might count editions or it might count the length of five long winters. The meanings of words are shifting and context dependent. For this reason, it’s risky to construct groups of words that we imagine are equivalent to some predetermined concept. A group of numbers may be relatively uncontroversial, but a group of, say, “philological terms” would be pretty dubious. If historicism tells us anything, it’s that the meaning of a term has to emerge from the way it’s used in a specific historical context.
1-px transparent spacerIn recent years, researchers in computer science have devised exploratory techniques that can identify groups of words with more sensitivity to the discursive context. (360)

The aim of topic modeling is to identify the thematic or rhetorical patterns that inform a collection of documents….
1-px transparent spacerThe topics of topic modeling are not simply themes; they might also reflect rhetorical frames, cognitive schemata, or specialized idioms (of the sort that Bakhtin conceived as mixed together in social heteroglossia); if they are capacious enough, topics may even indicate a discourse in Foucault’s sense. (361)

Topics are interestingly slippery objects that require interpretation. Violence might be a reasonable one-word summary of topic 80, but it isn’t a complete description. The most common word in the topic, after all, is power—a somewhat broader concept. The topic also includes strange details, like what appear to be the names of body parts: blood, head, hands, face, and eyes. There is a coherence to this list, but it may not be the kind of coherence we ordinarily associate with the term topic. (363)

This change of scale made possible by the computer does not free us from the need for an interpretive methodology. Ours is drawn both from literary hermeneutics and from the methodology of the social sciences…. Quantitative approaches to literary history like ours join in the wider renewal of interest in the sociology of literature. What is best in these new approaches is a shared determination to adapt concepts and techniques from the social sciences — including quantitative techniques — in order to enhance the nuance and precision of our interpretations of literary history. (366)

Quantitative methods may be especially useful for characterizing long, gradual changes, because change of that sort is otherwise difficult to grasp. But the methods we used in this article don’t prescribe a particular scale of historical analysis; on the contrary, one of their advantages is an ability to reveal overlapping phenomena on different scales, or even transformations of the pace of change itself. (379)

Discussion of Topic Modeling (continued)

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Andrew Piper, excerpt from “Topoi (Dispersion),” in Enumerations: Data and Literary Study (2019) PDF File — read only pp. 66–75

And yet, despite the growing body of work on topic models, no one has stopped to ask the question “What is a topic?,” either in the classical rhetorical sense or in the computational one. If we have this new way of deriving semantic significance from texts at a large scale, how does it fit within the longer philosophical and philological traditions of understanding “topics”? What, in other words, do these lists of words mean? (67)

… I will begin with an overview of the history of thinking about topics, from Aristotle to Renaissance commonplace books to nineteenth-century encyclopedism. Understanding how topic modeling fits within this longer tradition of deriving coherent categories of thought from a surplus of information — where there has always been a surplus from a single human perspective — will help us see how computation has a distinct pre-computational past. (68)


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Commonplace Books

XX

 

David M. Blei“Probabilistic Topic Models” (2013)

Imagine searching and exploring documents based on the themes that run through them. We might “zoom in” and “zoom out” to find specific or broader themes; we might look at how those themes changed through time or how they are connected to each other. Rather than finding documents through keyword search alone, we might first find the theme that we are interested in, and then examine the documents related to that theme. (77)

[Note]: Indeed calling these models “topic models” is retrospective — the topics that emerge from the inference algorithm are interpretable for almost any collection that is analyzed. The fact that these look like topics has to do with the statistical structure of observed language and how it interacts with the specific probabilistic assumptions of LDA. (78n.)

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Ted Underwood“Topic Modeling Made Just Simple Enough” (2012)

Of course, we can’t directly observe topics; in reality all we have are documents. Topic modeling is a way of extrapolating backward from a collection of documents to infer the discourses (“topics”) that could have generated them. (The notion that documents are produced by discourses rather than authors is alien to common sense, but not alien to literary theory.)

As a literary scholar, I find that I learn more from ambiguous topics than I do from straightforwardly semantic ones. When I run into a topic like “sea,” “ship,” “boat,” “shore,” “vessel,” “water,” I shrug. Yes, some books discuss sea travel more than others do. But I’m more interested in topics like this:
Topic example in Ted Underwood explanation of topic modeling

A topic like this one is hard to interpret. But for a literary scholar, that’s a plus. I want this technique to point me toward something I don’t yet understand, and I almost never find that the results are too ambiguous to be useful. The problematic topics are the intuitive ones — the ones that are clearly about war, or seafaring, or trade. I can’t do much with those.

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Andrew Piper, excerpt from “Topoi (Dispersion),” in Enumerations: Data and Literary Study (2019) PDF File — read only pp. 66–75

And yet, despite the growing body of work on topic models, no one has stopped to ask the question “What is a topic?,” either in the classical rhetorical sense or in the computational one. If we have this new way of deriving semantic significance from texts at a large scale, how does it fit within the longer philosophical and philological traditions of understanding “topics”? What, in other words, do these lists of words mean? (67)

… I will begin with an overview of the history of thinking about topics, from Aristotle to Renaissance commonplace books to nineteenth-century encyclopedism. Understanding how topic modeling fits within this longer tradition of deriving coherent categories of thought from a surplus of information — where there has always been a surplus from a single human perspective — will help us see how computation has a distinct pre-computational past. (68)

Reading topologically provides a new way of attending to the form of language, this time through an attention to the latent quantities of words. It allows us to envision how figure and concentration serve as an essential foundation of human thought, and that their opposites, dispersion and formlessness, are equally essential for the process of intellectual change….Topological reading makes visible the way topics are neither firmly bounded objects stable through time, the transcendentals of philosophical thought, nor clearly evolving genealogical units, the elements of Begriffsgeschichte [history of ideas, or conceptual history] that move coherently from one form to another across linear time.
1-px transparent spacerStudying topics in this way allows us to see how topics ultimately contain a sense of their own otherness, that, like the computational topics used to model them, each topic contains within itself the potentiality of all other topics in the topical space. (70)

… quotation-based models of the commonplace would be replaced in the eighteenth century by new systems of indexing knowledge at the document level, just as the open-ended lists that accompanied topics would be replaced by new forms of compressed, keyword-driven forms such as the modern encyclopedia, which would emerge in the nineteenth century as a staple of the publishing industry. “Amitie” could still be a topical keyword, but in the Encyclopedia of Diderot and D’Alembert it was no longer composed of a list of quotations, but a condensed definition of the thing itself: “the pure exchange of the spirit is simply called acquaintance; the exchange where the heart is concerned is called friendship”….

In this sense, topic modeling can be seen as a natural extension of the document-level system of indexing that became increasingly popular during and after the eighteenth century (and that had its early modern and medieval precursors). (72-73)

At the same time, the disambiguation between topics in topic models is complemented by a greater degree of ambiguity within topics….
1-px transparent spacer The computational topic, by contrast, incorporates that openness within itself. Rather than group statements under a single keyword or phrase, it organizes a heterogeneity of statements under a complex semantic field. It operates according to the principle of many to many. (74)

3. Topic Models & Idenity

Laurie G. Kirszner and Stephen R. Mandell, Literature: Reading, Reacting, Writing
Laurie G. Kirszner and Stephen R. Mandell, Literature: Reading, Reacting, Writing, 8th ed. (2012) (cover)

Laurie G. Kirszner and Stephen R. Mandell, Literature: Reading, Reacting, Writing (cover)
Laurie G. Kirszner and Stephen R. Mandell, Poetry: Reading, Reacting, Writing (1994) (cover)

Barbara Roche Rico and Sandra Mano, ed., American Mosaic: Multicultural Readings in Context (1991)
Barbara Roche Rico and Sandra Mano, ed., American Mosaic: Multicultural Readings in Context (1991) (cover)

Topic model of WE1S Collection 1: U.S. News Media, c. 1989-2019 (WE1S core collection of articles mentioning “humanities”). 25-topic model visualized in Dfr-browser and TopicBubbles.
Topic model of WE1S Collection 1: U.S. News Media, c. 1989-2019 (WE1S core collection of articles mentioning “humanities”). 25-topic model visualized in Dfr-browser and TopicBubbles.

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