activity
20192026
most citedTemporal Positive-unlabeled Learning for Biomedical Hypothesis Generation via Risk Estimation

10 citations · 16 across the 7 of their papers we have counts for

collaborators

7 papers

cs.LG2026

Hakken: Predicting future discoveries to fill the gaps in today's knowledge

Tarek R. Besold, Uchenna Akujuobi, Pablo Sanchez +21

We present Hakken, a domain-agnostic prediction and explanation system performing knowledge prediction, i.e., growing scientific knowledge by establishing novel relationships, ones…

cs.CL2024★ 1 cited

MEG: Medical Knowledge-Augmented Large Language Models for Question Answering

Laura Cabello, Carmen Martin-Turrero, Uchenna Akujuobi +2

Question answering is a natural language understanding task that involves reasoning over both explicit context, and unstated relevant domain knowledge. Despite the high cost of tra…

cs.CL2024★ 1 cited

It is Simple Sometimes: A Study On Improving Aspect-Based Sentiment Analysis Performance

Laura Cabello, Uchenna Akujuobi

Aspect-Based Sentiment Analysis (ABSA) involves extracting opinions from textual data about specific entities and their corresponding aspects through various complementary subtasks…

cs.CL2024

CERM: Context-aware Literature-based Discovery via Sentiment Analysis

Julio Christian Young, Uchenna Akujuobi

Driven by the abundance of biomedical publications, we introduce a sentiment analysis task to understand food-health relationship. Prior attempts to incorporate health into recipe…

cs.LG2020★ 10 cited

Temporal Positive-unlabeled Learning for Biomedical Hypothesis Generation via Risk Estimation

Uchenna Akujuobi, Jun Chen, Mohamed Elhoseiny +2

Understanding the relationships between biomedical terms like viruses, drugs, and symptoms is essential in the fight against diseases. Many attempts have been made to introduce the…

cs.LG2019★ 2 cited

Collaborative Graph Walk for Semi-supervised Multi-Label Node Classification

Uchenna Akujuobi, Han Yufei, Qiannan Zhang +1

In this work, we study semi-supervised multi-label node classification problem in attributed graphs. Classic solutions to multi-label node classification follow two steps, first le…

cs.LG2019★ 2 cited

Recurrent Attention Walk for Semi-supervised Classification

Uchenna Akujuobi, Qiannan Zhang, Han Yufei +1

In this paper, we study the graph-based semi-supervised learning for classifying nodes in attributed networks, where the nodes and edges possess content information. Recent approac…