Search Results for author: Alon Kipnis

Found 7 papers, 1 papers with code

EntropyRank: Unsupervised Keyphrase Extraction via Side-Information Optimization for Language Model-based Text Compression

no code implementations25 Aug 2023 Alexander Tsvetkov, Alon Kipnis

We propose an unsupervised method to extract keywords and keyphrases from texts based on a pre-trained language model (LM) and Shannon's information maximization.

Keyphrase Extraction Language Modelling +1

Separating the Human Touch from AI-Generated Text using Higher Criticism: An Information-Theoretic Approach

no code implementations24 Aug 2023 Alon Kipnis

We propose a method to determine whether a given article was entirely written by a generative language model versus an alternative situation in which the article includes some significant edits by a different author, possibly a human.

Language Modelling

The Minimax Risk in Histogram-Based Uniformity Testing under Missing Ball Alternatives

no code implementations29 May 2023 Alon Kipnis

We study the problem of testing the goodness of fit of a discrete sample from many categories to the uniform distribution over the categories.

Gaussian Approximation of Quantization Error for Estimation from Compressed Data

no code implementations9 Jan 2020 Alon Kipnis, Galen Reeves

We show that the Wasserstein distance between a bitrate-$R$ compressed version of $X$ and its observation under an AWGN-channel of signal-to-noise ratio $2^{2R}-1$ is sub-linear in the problem dimension.

Quantization

Higher Criticism for Discriminating Word-Frequency Tables and Testing Authorship

2 code implementations30 Oct 2019 Alon Kipnis

We apply this measure to authorship attribution challenges, where the goal is to identify the author of a document using other documents whose authorship is known.

Authorship Attribution

Mean Estimation from One-Bit Measurements

no code implementations10 Jan 2019 Alon Kipnis, John C. Duchi

We consider the problem of estimating the mean of a symmetric log-concave distribution under the constraint that only a single bit per sample from this distribution is available to the estimator.

Quantization

Mean Estimation from Adaptive One-bit Measurements

no code implementations2 Aug 2017 Alon Kipnis, John C. Duchi

We study the squared error risk in this estimation as a function of the number of samples and one-bit measurements $n$.

Statistics Theory Statistics Theory

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