This repo is the generalization of the lecture-summarizer repo. This tool utilizes the HuggingFace Pytorch BERT library to run extractive summarizations. This works by first embedding the sentences, then running a clustering algorithm, finding the sentences that are closest to the cluster's centroids. This library also uses coreference techniques, utilizing the https://github.com/huggingface/neuralcoref library to resolve words in summaries that need more context. The greedyness of the neuralcoref library can be tweaked in the SingleModel class.
NOTE: You will need spacy 2.1.3 installed. There is currently an issue with Spacy 2.1.4 that produces segmentation faults.
With that in mind, the setup.py should install 2.1.3 by default.
pip install spacy==2.1.3
pip install bert-extractive-summarizerfrom summarizer import SingleModel
body = 'Text body that you want to summarize with BERT'
body2 = 'Something else you want to summarize with BERT'
model = SingleModel()
model(body)
model(body2)from summarizer import SingleModel
body = '''
The Chrysler Building, the famous art deco New York skyscraper, will be sold for a small fraction of its previous sales price.
The deal, first reported by The Real Deal, was for $150 million, according to a source familiar with the deal.
Mubadala, an Abu Dhabi investment fund, purchased 90% of the building for $800 million in 2008.
Real estate firm Tishman Speyer had owned the other 10%.
The buyer is RFR Holding, a New York real estate company.
Officials with Tishman and RFR did not immediately respond to a request for comments.
It's unclear when the deal will close.
The building sold fairly quickly after being publicly placed on the market only two months ago.
The sale was handled by CBRE Group.
The incentive to sell the building at such a huge loss was due to the soaring rent the owners pay to Cooper Union, a New York college, for the land under the building.
The rent is rising from $7.75 million last year to $32.5 million this year to $41 million in 2028.
Meantime, rents in the building itself are not rising nearly that fast.
While the building is an iconic landmark in the New York skyline, it is competing against newer office towers with large floor-to-ceiling windows and all the modern amenities.
Still the building is among the best known in the city, even to people who have never been to New York.
It is famous for its triangle-shaped, vaulted windows worked into the stylized crown, along with its distinctive eagle gargoyles near the top.
It has been featured prominently in many films, including Men in Black 3, Spider-Man, Armageddon, Two Weeks Notice and Independence Day.
The previous sale took place just before the 2008 financial meltdown led to a plunge in real estate prices.
Still there have been a number of high profile skyscrapers purchased for top dollar in recent years, including the Waldorf Astoria hotel, which Chinese firm Anbang Insurance purchased in 2016 for nearly $2 billion, and the Willis Tower in Chicago, which was formerly known as Sears Tower, once the world's tallest.
Blackstone Group (BX) bought it for $1.3 billion 2015.
The Chrysler Building was the headquarters of the American automaker until 1953, but it was named for and owned by Chrysler chief Walter Chrysler, not the company itself.
Walter Chrysler had set out to build the tallest building in the world, a competition at that time with another Manhattan skyscraper under construction at 40 Wall Street at the south end of Manhattan. He kept secret the plans for the spire that would grace the top of the building, building it inside the structure and out of view of the public until 40 Wall Street was complete.
Once the competitor could rise no higher, the spire of the Chrysler building was raised into view, giving it the title.
'''
model = SingleModel()
result = model(body, min_length=60)
full = ''.join(result)
print(full)
"""
The Chrysler Building, the famous art deco New York skyscraper, will be sold for a small fraction of its previous sales price.
The building sold fairly quickly after being publicly placed on the market only two months ago.
The incentive to sell the building at such a huge loss was due to the soaring rent the owners pay to Cooper Union, a New York college, for the land under the building.Still the building is among the best known in the city, even to people who have never been to New York.'
Still the building is among the best known in the city, even to people who have never been to New York.
"""model = SingleModel(
model: str #This gets used by the hugging face bert library to load the model, you can supply a custom trained model here
vector_size: int # This specifies the vector size of the output of the model. If you using a hugging face model, it will automatically be set
hidden: int # Needs to be negative, but allows you to pick which layer you want the embeddings to come from.
reduce_option: str # It can be 'mean', 'median', or 'max'. This reduces the embedding layer for pooling.
greedyness: float # number between 0 and 1. It is used for the coreference model. Anywhere from 0.35 to 0.45 seems to work well.
)
model(
body: str # The string body that you want to summarize
ratio: float # The ratio of sentences that you want for the final summary
min_length: int # Parameter to specify to remove sentences that are less than 40 characters
max_length: int # Parameter to specify to remove sentences greater than the max length
)
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