Objective: Semantic indexing of biomedical literature is usually done at the level of MeSH descriptors with several related but distinct biomedical concepts often grouped together and treated as a single topic. This study proposes a new method for the automated refinement of subject annotations at the level of MeSH concepts.
Methods: Lacking labelled data, we rely on weak supervision based on concept occurrence in the abstract of an article, which is also enhanced by dictionary-based heuristics. In addition, we investigate deep learning approaches, making design choices to tackle the particular challenges of this task. The new method is evaluated on a large-scale retrospective scenario, based on concepts that have been promoted to descriptors.
Results: In our experiments concept occurrence was the strongest heuristic achieving a macro-F1 score of about 0.63 across several labels. The proposed method improved it further by more than 4pp.
Conclusion: The results suggest that concept occurrence is a strong heuristic for refining the coarse-grained labels at the level of MeSH concepts and the proposed method improves it further.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1016/j.jbi.2023.104499 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Clinical Manifestations.
Alzheimers Dement
December 2024
Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil.
Background: Mild Cognitive Impairment (MCI) is a cognitive decline that is greater than expected for an individual's age and level of education, but which does not interfere with functionality. It may be divided into amnestic (when it predominantly affects memory) and non-amnestic (other cognitive domains). One of the cognitive functions that may be affected by MCI is language.
View Article and Find Full Text PDFHistopathological, Cytological and Radiological Correlations in Allergy and Public Health Concerns: A Comprehensive Review.
J Asthma Allergy
December 2024
Department of Public Health, School of Allied Medical Sciences, Kampala International University, Western Campus, Ishaka, Bushenyi, Uganda.
Allergies represent a significant and growing public health concern, affecting millions worldwide and burdening healthcare systems substantially. Accurate diagnosis and understanding of allergy is crucial for effective management and treatment. This review aims to explore the historical evolution, current advances, and prospects of histopathological and cytological techniques in allergy diagnosis, highlighting their crucial role in modern medicine.
View Article and Find Full Text PDFImpact of titanium mesh cage slotting width on anterior cervical corpectomy and fusion for compression cervical spondylosis with MRI T2WI hyperintensity: a one-year follow-up study.
J Orthop Surg Res
December 2024
Department of Orthopedics, Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan Province, China.
Background: Anterior cervical corpectomy and fusion (ACCF) is a standard surgical procedure for cervical spondylosis with spinal cord compression (CSWSCC), especially in patients with intensity on T2-weighted imaging high signal (T2WIHS). The titanium mesh cage (TMC) utilized in this procedure is essential in stabilizing the spine; however, the optimal slotting width of the TMC remains unclear.
Objective: This study aimed to investigate the impact of TMC slotting width on the clinical and radiological outcomes of ACCF in patients with spinal cord compression type cervical spondylosis with intensity on T2WIHS (CST2WIHS).
Extracting Quercetin from Different Plant Sources, Purifying It Using Different Extraction Methods (Chemical, Physical, and Enzymatic), and Measuring Its Antioxidant Activity.
Front Biosci (Elite Ed)
November 2024
Food Science Department, Agriculture College, Basrah University, 61001 Basrah, Iraq.
Background: Flavonoids are among the most important compounds found in plants, since laboratory studies have shown them to be a daily requirement in human diets due to their various health benefits. Therefore, this study focused on extracting, purifying, and measuring the antioxidant activity of the flavonoid quercetin, which is widely found in plants and possesses a variety of biological activities, from different plant sources.
Methods: The extraction of quercetin was performed using several methods (chemical, physical, and enzymatic) and several extraction solutions (water, ethanol, and chloroform) from several plants (spinach, dill, Onion Skin, , sumac, digalkhasab chemri, and leelwi chemri).
The Surgical Odyssey: A Case Report on Rare Isolated Abdominal Wall Recurrence in an Adult Ovarian Granulosa Cell Tumor.
Cureus
November 2024
Plastic and Reconstructive Surgery, Amrita Institute of Medical Sciences, Kochi, IND.
A 50-year-old woman with a history of adult granulosa cell tumor (AGCT) of the right ovary was under follow-up after undergoing several surgeries, including a total abdominal hysterectomy with bilateral salpingo-oophorectomy. She was initially diagnosed eight years ago and remained disease-free for 52 months. However, she later experienced a recurrence, indicated by elevated inhibin B levels (58 ng/mL) and the presence of peritoneal soft tissue tumors.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!