keyword-compound-cord


Introduction

This is a Distant Reader "study carrel", a set of structured data intended to help the student, researcher, or scholar use & understand a corpus.

This study carrel was created on 2021-05-24 by Eric Morgan <emorgan@nd.edu>. The carrel was created using the Distant Reader cord process, and the input was the result of a query applied to a local mirror of CORD, a data set of scholarly articles on the topic of COVID-19. The actual query was: keywords:compound. The results of this query were saved in a cache and transformed into a set of plain text files. All of the analysis -- "reading" -- has been done against these plain text files. For example, a short narrative report has been created. This Web page is a more verbose version of that report.

All study carrels are self-contained -- no Internet connection is necessary to use them. Download this carrel for offline reading. The carrel is made up of many subdirectories and data files. The manifest describes each one in greater detail.

Size

There are 70 item(s) in this carrel, and this carrel is 561,911 words long. Each item in your study carrel is, on average, 9,523 words long. If you dig deeper, then you might want to save yourself some time by reading a shorter item. On the other hand, if your desire is for more detail, then you might consider reading a longer item. The following charts illustrate the overall size of the carrel.

left image
histogram of sizes
left image
box plot of sizes

Readability

On a scale from 0 to 100, where 0 is very difficult and 100 is very easy, the documents have an average readability score of 48. Consequently, if you want to read something more simplistic, then consider a document with a higher score. If you want something more specialized, then consider something with a lower score. The following charts illustrate the overall readability of the carrel.

left image
histogram of readability
left image
box plot of readability

Word Frequencies

By merely counting & tabulating the frequency of individual words or phrases, you can begin to get an understanding of the carrel's "aboutness". Excluding "stop words", some of the more frequent words include:

compounds, activity, compound, cells, derivatives, also, virus, synthesis, cell, using, drug, inhibitors, mannich, anti, active, i, showed, new, inhibition, group, human, acid, antiviral, used, bases, two, based, potent, one, studies, binding, novel, structure, potential, study, ml, results, ic, molecular, mg, mm, sars, values, treatment, cov, protein, well, vitro, different, biological

Using the three most frequent words, the three files containing all of those words the most are Mannich bases in medicinal chemistry and drug design, An Overview of Coumarin as a Versatile and Readily Accessible Scaffold with Broad-Ranging Biological Activities, and Natural Products as Fungicide and Their Role in Crop Protection.

The most frequent two-word phrases (bigrams) include:

mannich bases, antiviral activity, cell lines, mg ml, inhibitory activity, reference drug, antibacterial activity, mg kg, antifungal activity, ic values, biological activity, mannich base, active site, virtual screening, cell line, amino acid, influenza virus, natural products, cancer cell, coumarin derivatives, molecular docking, clinical trials, bioactive compounds, biological activities, cancer cells, broccoli sprouts, antimicrobial activity, biological evaluation, amino acids, active compounds, antioxidant activity, side chain, secondary metabolites, bases derived, docking studies, drug discovery, crystal structure, phenolic mannich, mannich reaction, metabolic pathway, room temperature, respiratory syndrome, synthesized compounds, mic values, breast cancer, binding site, protease inhibitors, tested compounds, amino group, compounds showed

And the three file that use all of the three most frequent phrases are Mannich bases in medicinal chemistry and drug design 19th ICAR Abstracts:, and Host dihydrofolate reductase (DHFR)-directed cycloguanil analogues endowed with activity against influenza virus and respiratory syncytial virus.

While often deemed superficial or sophomoric, rudimentary frequencies and their associated "word clouds" can be quite insightful:

left image
unigrams
left image
bigrams

Keywords

Sets of keywords -- statistically significant words -- can be enumerated by comparing the relative frequency of words with the number of times the words appear in an entire corpus. Some of the most statistically significant keywords in the carrel include:

compound, activity, sars, cell, virus, synthesis, table, scheme, plant, antiviral, inhibitor, effect, derivative, covid-19, study, structure, rna, qsar, product, nmr, model, mic, mers, isolate, hiv-1, hiv, hcv, gram, fungus, food, extract, drug, cov-2, boc, acid, xii, wound, wnv, vzv, virtual, virology, usa, university, tsh, trypanosomal, tnf, tinctoria, thermo, tgf, test

And now word clouds really begin to shine:

left image
keywords

Topic Modeling

Topic modeling is another popular approach to connoting the aboutness of a corpus. If the study carrel could be summed up in a single word, then that word might be compounds, and Neglected Disease – African Sleeping Sickness: Recent Synthetic and Modeling Advances is most about that word.

If the study carrel could be summed up in three words ("topics") then those words and their significantly associated titles include:

  1. compounds - 19th ICAR Abstracts:
  2. activity - Mannich bases in medicinal chemistry and drug design
  3. compounds - Natural Products as Fungicide and Their Role in Crop Protection

If the study carrel could be summed up in five topics, and each topic were each denoted with three words, then those topics and their most significantly associated files would be:

  1. compounds, activity, compound - Abstracts of publications related to QASR
  2. activity, mannich, bases - Mannich bases in medicinal chemistry and drug design
  3. activity, compounds, compound - Main trends in the design of semi-synthetic antibiotics of a new generation
  4. activity, compounds, virus - 19th ICAR Abstracts:
  5. syn, tinctoria, compounds - Isatis tinctoria L. (Woad): A Review of Its Botany, Ethnobotanical Uses, Phytochemistry, Biological Activities, and Biotechnological Studies

Moreover, the totality of the study carrel's aboutness, can be visualized with the following pie chart:

left image
topic model

Noun & Verbs

Through an analysis of your study carrel's parts-of-speech, you are able to answer question beyonds aboutness. For example, a list of the most frequent nouns helps you answer what questions; "What is discussed in this collection?":

compounds, activity, compound, cells, derivatives, virus, cell, inhibitors, drug, inhibition, group, synthesis, bases, acid, studies, structure, results, study, values, treatment, reaction, agents, protein, activities, drugs, effects, series, plant, effect, properties, ring, cancer, data, concentration, inhibitor, receptor, molecules, coumarin, ml, assay, evaluation, presence, disease, model, number, development, groups, infection, growth, type

An enumeration of the verbs helps you learn what actions take place in a text or what the things in the text do. Very frequently, the most common lemmatized verbs are "be", "have", and "do"; the more interesting verbs usually occur further down the list of frequencies:

using, shown, based, compared, inhibit, found, containing, binding, including, obtain, evaluate, giving, reported, tested, exhibit, synthesize, produced, derived, increasing, induced, resulting, follows, led, done, reducing, determine, caused, known, treated, suggesting, identify, observed, developed, isolated, performed, provides, indicated, described, involved, demonstrated, studied, considered, added, substituted, related, selected, presented, calculated, displayed, made

left image
nouns
left image
verbs

Proper Nouns

An extraction of proper nouns helps you determine the names of people and places in your study carrel.

Mannich, Fig, SARS, IC, mg, Synthesis, C, N, CoV-2, A, Table, CoV, CH, RNA, HIV, H, P., D, mL, B, II, HIV-1, USA, EC, M, I., NMR, HCV, kg, ¼, K, E., tinctoria, L., S., QSAR, ±, corylifolia, University, CCR5, C., F, Figure, L, IC50, R, MERS, COVID-19, MS, SAR

An analysis of personal pronouns enables you to answer at least two questions: 1) "What, if any, is the overall gender of my study carrel?", and 2) "To what degree are the texts in my study carrel self-centered versus inclusive?"

their, it, we, its, they, our, i, them, itself, us, his, bglu, themselves, one, me, you, he, her, your, nr-818, puc, my, mrnas, he16, 63a, smaller/, ser146, scid, s, ours, o*-orbital, nf279, ligand−protein, jchem, indole-2-carboxamides, ile235, i-[(3'-allyl-2'-hydroxybenzilidene)amino]-3-hydroxyguanidine, hdp-(s)-hpmpa, cord-014863-jyti99xq, chembl1800935, bbg100, 7methylimidazo[1,2-c]pyrimidine, 30e34

Below are words cloud of your study carrel's proper & personal pronouns.

left image
proper nouns
left image
pronouns

Adjectives & Verbs

Learning about a corpus's adjectives and adverbs helps you answer how questions: "How are things described and how are things done?" An analysis of adjectives and adverbs also points to a corpus's overall sentiment. "In general, is my study carrel positive or negative?"

active, anti, antiviral, new, human, potent, different, molecular, biological, high, novel, inhibitory, viral, potential, several, natural, important, many, antibacterial, effective, clinical, significant, antifungal, similar, various, inflammatory, higher, good, cytotoxic, resistant, low, structural, selective, antimicrobial, small, therapeutic, specific, free, non, positive, recent, secondary, promising, bioactive, first, bacterial, synthetic, aromatic, phenolic, possible

also, well, respectively, however, highly, therefore, less, recently, previously, even, moreover, significantly, finally, furthermore, often, generally, currently, especially, still, already, usually, first, widely, much, directly, together, particularly, almost, probably, approximately, namely, mainly, biologically, hence, interestingly, relatively, subsequently, rather, similarly, later, far, ns3, indeed, clearly, now, newly, slightly, nevertheless, commonly, structurally

left image
adjectives
left image
adverbs

Next steps

There is much more to a study carrel than the things outlined above. Use this page's menubar to navigate and explore in more detail. There you will find additional features & functions including: ngrams, parts-of-speech, grammars, named entities, topic modeling, a simple search interface, etc.

Again, study carrels are self-contained. Download this carrel for offline viewing and use.

Thank you for using the Distant Reader.