Natural Language refers to the form of communication used by humans in everyday conversations, written text, and various linguistic expressions. Understanding and processing natural language is crucial for developing intelligent systems that can interact with users, extract meaningful insights from text, and provide valuable information in various domains. Advances in natural language processing continue to shape the capabilities of machine learning applications in language-related tasks.

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Exploring the limits of ChatGPT for Query or Aspect based Text Summarization

Exploring the limits of ChatGPT for Query or Aspect based Text Summarization Text summarization has been a crucial problem in natural language processing (NLP) for several decades. It aims to condense lengthy documents into shorter versions while retaining the most critical information. Various methods have been proposed for text summarization, including extractive and abstractive summarization. The emergence of large language models (LLMs) like GPT3 and ChatGPT has recently created significant interest in using these models for text summarization tasks. Recent studies (Goyal et al., 2022, Zhang et al., 2023) have shown that LLMs generated news summaries are already on par with humans. However, the performance of LLMs for more practical applications like aspect or query based summaries is underexplored. To fill this gap, we conducted an evaluation of ChatGPT’s performance on four widely used benchmark datasets, encompassing diverse summaries from Reddit posts, news articles, dialogue meetings, and stories. Our experiments reveal that ChatGPT’s performance is comparable to traditional fine tuning methods in terms of Rouge scores. Moreover, we highlight some unique differences between ChatGPT generated summaries and human references, providing valuable insights into the superpower of ChatGPT for diverse text summarization tasks. Our findings call for new directions in this area, and we plan to conduct further research to systematically examine the characteristics of ChatGPT generated summaries through extensive human evaluation.

Fast Few Shot Debugging for NLU Test Suites (arXiv)

Read Fast Few shot Debugging for NLU Test Suites (arXiv) from our Machine Learning Department. We study few shot debugging of transformer based natural language understanding models, using recently popularized test suites to not just diagnose but correct a problem. Given a few debugging examples of a certain phenomenon, and a held out test set of the same phenomenon, we aim to maximize accuracy on the phenomenon at a minimal cost of accuracy on the original test set. We examine several methods that are faster than full epoch retraining. We introduce a new fast method, which samples a few in danger examples from the original training set. Compared to fast methods using parameter distance constraints or Kullback Leibler divergence, we achieve superior original accuracy for comparable debugging accuracy.