Search Results for author: Veysel Kocaman

Found 11 papers, 4 papers with code

John_Snow_Labs@SMM4H’22: Social Media Mining for Health (#SMM4H) with Spark NLP

no code implementations SMM4H (COLING) 2022 Veysel Kocaman, Cabir Celik, Damla Gurbaz, Gursev Pirge, Bunyamin Polat, Halil Saglamlar, Meryem Vildan Sarikaya, Gokhan Turer, David Talby

Social media has become a major source of information for healthcare professionals but due to the growing volume of data in unstructured format, analyzing these resources accurately has become a challenge.

NER text-classification +3

Beyond Accuracy: Automated De-Identification of Large Real-World Clinical Text Datasets

no code implementations13 Dec 2023 Veysel Kocaman, Hasham Ul Haq, David Talby

Recent research advances achieve human-level accuracy for de-identifying free-text clinical notes on research datasets, but gaps remain in reproducing this in large real-world settings.

De-identification NER

Saliency Can Be All You Need In Contrastive Self-Supervised Learning

no code implementations30 Oct 2022 Veysel Kocaman, Ofer M. Shir, Thomas Bäck, Ahmed Nabil Belbachir

We propose an augmentation policy for Contrastive Self-Supervised Learning (SSL) in the form of an already established Salient Image Segmentation technique entitled Global Contrast based Salient Region Detection.

Image Segmentation Segmentation +2

Understanding COVID-19 News Coverage using Medical NLP

no code implementations19 Mar 2022 Ali Emre Varol, Veysel Kocaman, Hasham Ul Haq, David Talby

Being a global pandemic, the COVID-19 outbreak received global media attention.

Deeper Clinical Document Understanding Using Relation Extraction

1 code implementation25 Dec 2021 Hasham Ul Haq, Veysel Kocaman, David Talby

The surging amount of biomedical literature & digital clinical records presents a growing need for text mining techniques that can not only identify but also semantically relate entities in unstructured data.

document understanding named-entity-recognition +3

The Unreasonable Effectiveness of the Final Batch Normalization Layer

no code implementations18 Sep 2021 Veysel Kocaman, Ofer M. Shir, Thomas Baeck

Early-stage disease indications are rarely recorded in real-world domains, such as Agriculture and Healthcare, and yet, their accurate identification is critical in that point of time.

Image Classification imbalanced classification

Spark NLP: Natural Language Understanding at Scale

1 code implementation26 Jan 2021 Veysel Kocaman, David Talby

Spark NLP is a Natural Language Processing (NLP) library built on top of Apache Spark ML.

BIG-bench Machine Learning Natural Language Understanding

Improving Clinical Document Understanding on COVID-19 Research with Spark NLP

1 code implementation7 Dec 2020 Veysel Kocaman, David Talby

Second, the text processing pipeline includes assertion status detection, to distinguish between clinical facts that are present, absent, conditional, or about someone other than the patient.

Anatomy Clinical Assertion Status Detection +5

Improving Model Accuracy for Imbalanced Image Classification Tasks by Adding a Final Batch Normalization Layer: An Empirical Study

no code implementations12 Nov 2020 Veysel Kocaman, Ofer M. Shir, Thomas Bäck

We empirically observe that the initial F1 test score jumps from 0. 29 to 0. 95 for the minority class upon adding a final Batch Normalization (BN) layer just before the output layer in VGG19.

Image Classification imbalanced classification +1

Biomedical Named Entity Recognition at Scale

1 code implementation12 Nov 2020 Veysel Kocaman, David Talby

Named entity recognition (NER) is a widely applicable natural language processing task and building block of question answering, topic modeling, information retrieval, etc.

De-identification Entity Resolution +8

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