← Search

Alexander Politowicz

2 accepted papers

2022

Semantic Novelty Detection and Characterization in Factual Text Involving Named Entities

EMNLP 2022main

Much of the existing work on text novelty detection has been studied at the topic level, i.e., identifying whether the topic of a document or a sentence is novel or not. Little work has been done at the fine-grained semantic level (or contextual level). For example, given that we know Elon Musk is t…

2021

Semantic Novelty Detection in Natural Language Descriptions

EMNLP 2021main

This paper proposes to study a fine-grained semantic novelty detection task, which can be illustrated with the following example. It is normal that a person walks a dog in the park, but if someone says “A man is walking a chicken in the park”, it is novel. Given a set of natural language description…