Thumbs Up?

Closed weights Cornell University,IBM May 2002

No estimate

No hardware requirements for this model

The weights for this model have not been published, so it cannot be downloaded or run on your own hardware at any size. It is reachable only through its provider, and no graphics card changes that.

On record

Full specification

Everything on record for this model. Most of it describes how it was trained rather than how it runs — useful context for judging how much work went into it, and how it compares with models built at a different scale.

Origin

Who built this model, where, and when it was published.

Organisation
Cornell University,IBM
Organisation type
Academia,Industry
Country
United States of America
Published
28 May 2002
Authors
Bo Pang, Lillian Lee, Shivakumar Vaithyanathan

What it does

The problem areas the model was built for. A model can carry several of each.

Domain
Language
Task
Sentiment classification

Size

How large the model is and how much data it was trained on. Parameters are the figure that decides whether it fits on a given graphics card.

Training data
1,400 tokens

yielding a corpus of 752 negative and 1301 positive reviews

How it is classified

Labels the source dataset applies when tracking notable models, and how confident it is in the entry.

Why it is tracked
Highly cited
Citations
10,656

Sources

Where this record came from and when it was last checked.

Reference
Thumbs up? Sentiment Classification using Machine Learning Techniques
Last updated
28 November 2025

What the numbers mean

Where it came from

Thumbs Up? was published by Cornell University,IBM, in United States of America, in May 2002. academia,Industry is the category the publisher falls under.

It works in Language, and is recorded as doing sentiment classification.

Its weights were never published, so it can only be reached through its provider. No graphics card changes that.

Training and provenance

It was trained on about 1,400 tokens of text.

It is tracked in the underlying dataset for one reason in particular: highly cited.

Answers

Thumbs Up? — common questions

01

How many parameters does Thumbs Up? have?

No parameter count has been published for Thumbs Up?, which is why no memory or speed figure appears on this page.

02

Who created Thumbs Up??

Thumbs Up? was published by Cornell University,IBM, based in United States of America, categorised as academia,Industry.

03

When was Thumbs Up? released?

Thumbs Up? was published in May 2002. Capability per parameter has improved considerably since, so a newer model of the same size is often the better use of the same hardware.

04

What is Thumbs Up? used for?

Thumbs Up? works in Language, and is recorded as handling sentiment classification. A model can carry several of each, so these are the areas it was built for rather than a limit on what it will attempt.

05

What GPU do I need to run Thumbs Up??

None. Thumbs Up? is a closed model — its weights were never published, so it cannot be downloaded or run on your own hardware at any price. It is reachable only through its provider.

06

Is Thumbs Up? open source?

The licensing for Thumbs Up? was never recorded in our source data. We treat unstated licensing as closed, because an unrecorded licence is not one to rely on.

Source

Original publication

Record last updated 28 November 2025

The other direction

Looking at it from the other side?

This page starts from the model. If you already own a card and want to know everything it will run, start from the hardware instead.