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20212026
most citedSentence Representations via Gaussian Embedding

2 citations · 5 across the 9 of their papers we have counts for

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10 papers · 1 filter

cs.CL2026

When Is 0.1% Enough? Analyzing the Combined Effects of Dimensionality Reduction and Quantization on Text Embedding Compression

Riku Kisako, Hayato Tsukagoshi, Ryohei Sasano

Recent high-performing text embedding models often produce high-dimensional real-valued vectors, resulting in substantial storage and computational costs. To address this issue, em…

cs.CL2025

FrameEOL: Semantic Frame Induction using Causal Language Models

Chihiro Yano, Kosuke Yamada, Hayato Tsukagoshi +2

Semantic frame induction is the task of clustering frame-evoking words according to the semantic frames they evoke. In recent years, leveraging embeddings of frame-evoking words th…

cs.CL2025

Redundancy, Isotropy, and Intrinsic Dimensionality of Prompt-based Text Embeddings

Hayato Tsukagoshi, Ryohei Sasano

Prompt-based text embedding models, which generate task-specific embeddings upon receiving tailored prompts, have recently demonstrated remarkable performance. However, their resul…

cs.CL2024

Ruri: Japanese General Text Embeddings

Hayato Tsukagoshi, Ryohei Sasano

We report the development of Ruri, a series of Japanese general text embedding models. While the development of general-purpose text embedding models in English and multilingual co…

cs.CL2024

WikiSplit++: Easy Data Refinement for Split and Rephrase

Hayato Tsukagoshi, Tsutomu Hirao, Makoto Morishita +3

The task of Split and Rephrase, which splits a complex sentence into multiple simple sentences with the same meaning, improves readability and enhances the performance of downstrea…

cs.CL2024★ 1 cited

Improving Sentence Embeddings with Automatic Generation of Training Data Using Few-shot Examples

Soma Sato, Hayato Tsukagoshi, Ryohei Sasano +1

Decoder-based large language models (LLMs) have shown high performance on many tasks in natural language processing. This is also true for sentence embedding learning, where a deco…

cs.CL2023★ 1 cited

Japanese SimCSE Technical Report

Hayato Tsukagoshi, Ryohei Sasano, Koichi Takeda

We report the development of Japanese SimCSE, Japanese sentence embedding models fine-tuned with SimCSE. Since there is a lack of sentence embedding models for Japanese that can be…

cs.CL2023★ 2 cited

Sentence Representations via Gaussian Embedding

Shohei Yoda, Hayato Tsukagoshi, Ryohei Sasano +1

Recent progress in sentence embedding, which represents the meaning of a sentence as a point in a vector space, has achieved high performance on tasks such as a semantic textual si…

cs.CL2022

Comparison and Combination of Sentence Embeddings Derived from Different Supervision Signals

Hayato Tsukagoshi, Ryohei Sasano, Koichi Takeda

There have been many successful applications of sentence embedding methods. However, it has not been well understood what properties are captured in the resulting sentence embeddin…

cs.CL2021★ 1 cited

DefSent: Sentence Embeddings using Definition Sentences

Hayato Tsukagoshi, Ryohei Sasano, Koichi Takeda

Sentence embedding methods using natural language inference (NLI) datasets have been successfully applied to various tasks. However, these methods are only available for limited la…