no code implementations • 28 Dec 2022 • Xiong Liu, Iya Khalil, Murthy Devarakonda
We propose custom2vec, an algorithmic framework to customize graph embeddings by incorporating user preferences in training the embeddings.
no code implementations • 11 Sep 2021 • Xiong Liu, Greg L. Hersch, Iya Khalil, Murthy Devarakonda
Natural language processing (NLP) of clinical trial documents can be useful in new trial design.
no code implementations • 7 Sep 2021 • Xiong Liu, Cheng Shi, Uday Deore, Yingbo Wang, Myah Tran, Iya Khalil, Murthy Devarakonda
FDA has been promoting enrollment practices that could enhance the diversity of clinical trial populations, through broadening eligibility criteria.
no code implementations • 5 Jan 2021 • Mihir Parmar, Ashwin Karthik Ambalavanan, Hong Guan, Rishab Banerjee, Jitesh Pabla, Murthy Devarakonda
Here we proposed an approach to analyze text classification methods based on the presence or absence of task-specific terms (and their synonyms) in the text.
no code implementations • 13 Apr 2020 • Ashwin Karthik Ambalavanan, Murthy Devarakonda
Conclusion: Pre-trained contextual encoder neural networks (e. g. SciBERT) perform better than the models studied previously and manually created search filters in filtering for scientifically sound relevant articles.
no code implementations • 13 Apr 2020 • Hong Guan, Jianfu Li, Hua Xu, Murthy Devarakonda
Background: Identifying relationships between clinical events and temporal expressions is a key challenge in meaningfully analyzing clinical text for use in advanced AI applications.
no code implementations • 10 Nov 2019 • Pratyay Banerjee, Kuntal Kumar Pal, Murthy Devarakonda, Chitta Baral
In this work, we formulate the NER task as a multi-answer knowledge guided QA task (KGQA) which helps to predict entities only by assigning B, I and O tags without associating entity types with the tags.
no code implementations • 27 Jun 2019 • Ananya Poddar, Bharath Dandala, Murthy Devarakonda
Methods: We used common variations of plan headings and rule-based heuristics to find plan sections with headings in clinical notes, and we extracted sentences from them and formed a noisy training data of plan sentences.
no code implementations • WS 2019 • Ashwin Karthik Ambalavanan, Pranjali Dileep Jagtap, Soumya Adhya, Murthy Devarakonda
Our system achieved the 2nd best performance of 0. 477 macro averaged F measure on Task A of the challenge.
no code implementations • 26 Feb 2019 • Samarth Rawal, Ashok Prakash, Soumya Adhya, Sidharth Kulkarni, Saadat Anwar, Chitta Baral, Murthy Devarakonda
To help automate the process, National NLP Clinical Challenges (N2C2) conducted a shared challenge by defining 13 criteria for clinical trial cohort selection and by providing training and test datasets.
no code implementations • WS 2016 • D, Bharath ala, Murthy Devarakonda, Mihaela Bornea, Christopher Nielson
In predicting positive associations, the stacked combination significantly outperformed the baseline (a distant semi-supervised method on large medical text), achieving F scores of 0. 75 versus 0. 55 on the pairs seen in the patient records, and F scores of 0. 69 and 0. 35 on unique pairs.