Idea Relations Save

A framework to identify relations between ideas in temporal text corpora.

Project README

Relations between ideas

This project provides a framework to identify relations between ideas in temporal text corpora. Because ideas are naturally embedded in texts, we propose a framework to systematically characterize the relations between ideas based on their occurrence by combining two statistics: cooccurrence within documents and prevalence correlation over time. This framework reveals four possible relations between ideas as shown in the following quadrants:

  • friendship: two ideas tend to cooccur, and are correlated in prevalence;
  • head-to-head: two ideas rarely cooccur, and are anti-correlated in prevalence;
  • tryst: two ideas tend to cooccur, but are anti-correlated in prevalence;
  • arms-race: two ideas rarely cooccurr, but are correlated in prevalence.

Example images.

Refer to our paper for our initial exploration using this framework on news issues and research papers.

This framework is independent of how we represent ideas. In this repository, we showcase our framework by using topics from Latent Dirichlet Allocation (Blei et al. 2003) and keywords identified using Fightin' words (Monroe et al. 2008).

We also have visualization tool available at


python [--option {topics,keywords}] [--input_file INPUT_FILE] \
               [--group_by {year, month, quarter}] \
               [--data_output_dir DATA_OUTPUT_DIR] \
               [--final_output_dir FINAL_OUTPUT_DIR] \
               [--mallet_bin_dir MALLET_BIN_DIR] \
               [--background_file BACKGROUND_FILE] [--prefix PREFIX] \
               [--num_ideas NUM_IDEAS] \
               [--tokenize] [--lemmatize] [--nostopwords]

input_file is a data file, where each line corresponds to a document and is a json object with two fields (text for the content; date for the timestamp, e.g., 20000101).

In the final_output_dir, there will two sub directories, figure/ and table/ and also a tex file (e.g., immigration_topics_main.tex) that can be compiled to generate a report pdf file. The outputs in figure/ include relative frequency over time for pairs of ideas with the strongest relation in each of the four types of relation above, and a file *_comb_extreme_pairs.txt with sorted pairs of relations with their relation type, cooccurrence, prevalence correlation, and strength. The outputs in table/ are necessary for the compilation of the main tex file.

If topics is used to represent ideas, Mallet is required to generate topics for each document (mallet_bin_dir is required). Alternatively, it works as long as there are mallet style topic files in data_output_dir.

If keywords is used to represent ideas, background_file is required to learn num_ideas keywords as representations.

tokenize, lemmatize and nostopwords are preprocessing options that we currently support. gives example commands for using our framework. You can also download example datasets from ACL and NIPS here.

We list all packages used in requirements.txt. One way to install these packages is to run pip install -r requirements.txt; alternatively, one can use conda create --name idea_relations --file requirements.txt to create a new environment for running this package. The package will automatically produce a pdf freport if there exists a TeX installation.

If you have any questions regarding the framework or usage of this repository, please direct your questions to Chenhao Tan and Dallas Card.

Open Source Agenda is not affiliated with "Idea Relations" Project. README Source: Noahs-ARK/idea_relations
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