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Process mining focuses on the analysis of recorded event data in order to gain insights about the true execution of business processes. While foundational process mining techniques treat such data as sequences of abstract events, more…

Computation and Language · Computer Science 2021-03-23 Adrian Rebmann , Han van der Aa

Predicting diagnoses from Electronic Health Records (EHRs) is an important medical application of multi-label learning. We propose a convolutional residual model for multi-label classification from doctor notes in EHR data. A given patient…

Machine Learning · Statistics 2018-08-10 Xinyuan Zhang , Ricardo Henao , Zhe Gan , Yitong Li , Lawrence Carin

Multivariate time series classification is a high value and well-known problem in machine learning community. Feature extraction is a main step in classification tasks. Traditional approaches employ hand-crafted features for classification…

Machine Learning · Computer Science 2019-05-07 Omolbanin Yazdanbakhsh , Scott Dick

Existing approaches in disfluency detection focus on solving a token-level classification task for identifying and removing disfluencies in text. Moreover, most works focus on leveraging only contextual information captured by the linear…

Computation and Language · Computer Science 2022-04-19 Sreyan Ghosh , Sonal Kumar , Yaman Kumar Singla , Rajiv Ratn Shah , S. Umesh

Joint event and causality extraction is a challenging yet essential task in information retrieval and data mining. Recently, pre-trained language models (e.g., BERT) yield state-of-the-art results and dominate in a variety of NLP tasks.…

Computation and Language · Computer Science 2021-02-22 Zijian Wang , Hao Wang , Xiangfeng Luo , Jianqi Gao

Automatic extraction of medical information from clinical documents poses several challenges: high costs of required clinical expertise, limited interpretability of model predictions, restricted computational resources and privacy…

As an essential component of human cognition, cause-effect relations appear frequently in text, and curating cause-effect relations from text helps in building causal networks for predictive tasks. Existing causality extraction techniques…

Information Retrieval · Computer Science 2021-11-02 Jie Yang , Soyeon Caren Han , Josiah Poon

Event Argument extraction refers to the task of extracting structured information from unstructured text for a particular event of interest. The existing works exhibit poor capabilities to extract causal event arguments like Reason and…

Computation and Language · Computer Science 2021-05-04 Debanjana Kar , Sudeshna Sarkar , Pawan Goyal

Automatic classification of pigmented, non-pigmented, and depigmented non-melanocytic skin lesions have garnered lots of attention in recent years. However, imaging variations in skin texture, lesion shape, depigmentation contrast, lighting…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Suraj Mishra , Yizhe Zhang , Li Zhang , Tianyu Zhang , X. Sharon Hu , Danny Z. Chen

Automatic affect recognition is a challenging task due to the various modalities emotions can be expressed with. Applications can be found in many domains including multimedia retrieval and human computer interaction. In recent years, deep…

Computer Vision and Pattern Recognition · Computer Science 2018-02-14 Panagiotis Tzirakis , George Trigeorgis , Mihalis A. Nicolaou , Björn Schuller , Stefanos Zafeiriou

Natural Language Processing (NLP) systems often make use of machine learning techniques that are unfamiliar to end-users who are interested in analyzing clinical records. Although NLP has been widely used in extracting information from…

Human-Computer Interaction · Computer Science 2017-07-10 Gaurav Trivedi , Phuong Pham , Wendy Chapman , Rebecca Hwa , Janyce Wiebe , Harry Hochheiser

Causal knowledge extraction is the task of extracting relevant causes and effects from text by detecting the causal relation. Although this task is important for language understanding and knowledge discovery, recent works in this domain…

Computation and Language · Computer Science 2023-08-09 Anik Saha , Oktie Hassanzadeh , Alex Gittens , Jian Ni , Kavitha Srinivas , Bulent Yener

This study investigates the use of unsupervised word embeddings and sequence features for sample representation in an active learning framework built to extract clinical concepts from clinical free text. The objective is to further reduce…

Computation and Language · Computer Science 2016-11-16 Mahnoosh Kholghi , Lance De Vine , Laurianne Sitbon , Guido Zuccon , Anthony Nguyen

Biomedical event extraction is critical in understanding biomolecular interactions described in scientific corpus. One of the main challenges is to identify nested structured events that are associated with non-indicative trigger words. We…

Computation and Language · Computer Science 2020-10-13 Kung-Hsiang Huang , Mu Yang , Nanyun Peng

The unstructured nature of clinical notes within electronic health records often conceals vital patient-related information, making it challenging to access or interpret. To uncover this hidden information, specialized Natural Language…

Many real world systems need to operate on heterogeneous information networks that consist of numerous interacting components of different types. Examples include systems that perform data analysis on biological information networks; social…

Artificial Intelligence · Computer Science 2017-07-26 Parisa Kordjamshidi , Sameer Singh , Daniel Khashabi , Christos Christodoulopoulos , Mark Summons , Saurabh Sinha , Dan Roth

Recent work has utilised knowledge-aware approaches to natural language understanding, question answering, recommendation systems, and other tasks. These approaches rely on well-constructed and large-scale knowledge graphs that can be…

Computation and Language · Computer Science 2023-03-09 Tin Kuculo

Events of various kinds are mentioned and discussed in text documents, whether they are books, news articles, blogs or microblog feeds. The paper starts by giving an overview of how events are treated in linguistics and philosophy. We…

Computation and Language · Computer Science 2016-01-18 Jugal Kalita

Information extraction from semi-structured webpages provides valuable long-tailed facts for augmenting knowledge graph. Relational Web tables are a critical component containing additional entities and attributes of rich and diverse…

Information Retrieval · Computer Science 2021-02-19 Daheng Wang , Prashant Shiralkar , Colin Lockard , Binxuan Huang , Xin Luna Dong , Meng Jiang

A vast amount of textual web streams is influenced by events or phenomena emerging in the real world. The social web forms an excellent modern paradigm, where unstructured user generated content is published on a regular basis and in most…

Machine Learning · Computer Science 2012-08-15 Vasileios Lampos