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Large Language Models (LLMs) exploit fine-tuning as a technique to adapt to diverse goals, thanks to task-specific training data. Task specificity should go hand in hand with domain orientation, that is, the specialization of an LLM to…

Computation and Language · Computer Science 2023-09-20 Teodoro Baldazzi , Luigi Bellomarini , Stefano Ceri , Andrea Colombo , Andrea Gentili , Emanuel Sallinger

We tackle the task of enriching ontologies by automatically translating natural language sentences into Description Logic. Since Large Language Models (LLMs) are the best tools for translations, we fine-tuned a GPT-3 model to convert…

Artificial Intelligence · Computer Science 2023-08-01 Patricia Mateiu , Adrian Groza

We propose yet another entity linking model (YELM) which links words to entities instead of spans. This overcomes any difficulties associated with the selection of good candidate mention spans and makes the joint training of mention…

Computation and Language · Computer Science 2020-11-10 Haotian Chen , Andrej Zukov-Gregoric , Xi David Li , Sahil Wadhwa

The enormous growth of research publications has made it challenging for academic search engines to bring the most relevant papers against the given search query. Numerous solutions have been proposed over the years to improve the…

Information Retrieval · Computer Science 2023-01-27 Shah Khalid , Shah Khusro , Aftab Alam , Abdul Wahid

Class-incremental learning of deep networks sequentially increases the number of classes to be classified. During training, the network has only access to data of one task at a time, where each task contains several classes. In this…

Computer Vision and Pattern Recognition · Computer Science 2020-04-02 Lu Yu , Bartłomiej Twardowski , Xialei Liu , Luis Herranz , Kai Wang , Yongmei Cheng , Shangling Jui , Joost van de Weijer

Although pre-trained language models (PLMs) have achieved state-of-the-art performance on various natural language processing (NLP) tasks, they are shown to be lacking in knowledge when dealing with knowledge driven tasks. Despite the many…

Computation and Language · Computer Science 2022-08-02 Qianglong Chen , Feng-Lin Li , Guohai Xu , Ming Yan , Ji Zhang , Yin Zhang

Sentence embedding is an important research topic in natural language processing (NLP) since it can transfer knowledge to downstream tasks. Meanwhile, a contextualized word representation, called BERT, achieves the state-of-the-art…

Computation and Language · Computer Science 2020-06-02 Bin Wang , C. -C. Jay Kuo

Recent work in learning ontologies (hierarchical and partially-ordered structures) has leveraged the intrinsic geometry of spaces of learned representations to make predictions that automatically obey complex structural constraints. We…

Computation and Language · Computer Science 2017-08-03 Xiang Li , Luke Vilnis , Andrew McCallum

Accurate evidence retrieval is essential for automated fact checking. Little previous research has focused on the differences between true and false claims and how they affect evidence retrieval. This paper shows that, compared with true…

Information Retrieval · Computer Science 2021-12-15 Mingwen Dong , Christos Christodoulopoulos , Sheng-Min Shih , Xiaofei Ma

Fine-grained entity typing (FET) is the task of identifying specific entity types at a fine-grained level for entity mentions based on their contextual information. Conventional methods for FET require extensive human annotation, which is…

Computation and Language · Computer Science 2023-10-13 Siru Ouyang , Jiaxin Huang , Pranav Pillai , Yunyi Zhang , Yu Zhang , Jiawei Han

Existing state of the art neural entity linking models employ attention-based bag-of-words context model and pre-trained entity embeddings bootstrapped from word embeddings to assess topic level context compatibility. However, the latent…

Computation and Language · Computer Science 2020-01-07 Shuang Chen , Jinpeng Wang , Feng Jiang , Chin-Yew Lin

Subjective bias detection is critical for applications like propaganda detection, content recommendation, sentiment analysis, and bias neutralization. This bias is introduced in natural language via inflammatory words and phrases, casting…

Computation and Language · Computer Science 2020-06-16 Tanvi Dadu , Kartikey Pant , Radhika Mamidi

While paragraph embedding models are remarkably effective for downstream classification tasks, what they learn and encode into a single vector remains opaque. In this paper, we investigate a state-of-the-art paragraph embedding method…

Computation and Language · Computer Science 2019-06-11 Tu Vu , Mohit Iyyer

Large pre-trained sentence encoders like BERT start a new chapter in natural language processing. A common practice to apply pre-trained BERT to sequence classification tasks (e.g., classification of sentences or sentence pairs) is by…

Computation and Language · Computer Science 2020-02-26 Wenxuan Zhou , Junyi Du , Xiang Ren

For most intelligent assistant systems, it is essential to have a mechanism that detects out-of-domain (OOD) utterances automatically to handle noisy input properly. One typical approach would be introducing a separate class that contains…

Computation and Language · Computer Science 2020-03-30 Yueqi Feng , Jiali Lin

Word embeddings have been shown adept at capturing the semantic and syntactic regularities of the natural language text, as a result of which these representations have found their utility in a wide variety of downstream content analysis…

Computation and Language · Computer Science 2021-03-02 Kishlay Jha

Ontology alignment, a critical process in the Semantic Web for detecting relationships between different ontologies, has traditionally focused on identifying so-called "simple" 1-to-1 relationships through class labels and properties…

Artificial Intelligence · Computer Science 2024-07-24 Reihaneh Amini , Sanaz Saki Norouzi , Pascal Hitzler , Reza Amini

This paper introduces the Ongoing Event Detection (OED) task, which is a specific Event Detection task where the goal is to detect ongoing event mentions only, as opposed to historical, future, hypothetical, or other forms or events that…

Computation and Language · Computer Science 2021-02-09 Mariano Maisonnave , Fernando Delbianco , Fernando Tohmé , Ana Maguitman , Evangelos Milios

Measuring the quality of a generated sequence against a set of references is a central problem in many learning frameworks, be it to compute a score, to assign a reward, or to perform discrimination. Despite great advances in model…

Machine Learning · Computer Science 2020-03-06 Florian Schmidt , Thomas Hofmann

Fine-grained sentiment analysis is receiving increasing attention in recent years. Extracting opinion target expressions (OTE) in reviews is often an important step in fine-grained, aspect-based sentiment analysis. Retrieving this…

Computation and Language · Computer Science 2017-09-20 Soufian Jebbara , Philipp Cimiano
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