Search Results for author: Omar Alonso

Found 7 papers, 2 papers with code

A General Model for Aggregating Annotations Across Simple, Complex, and Multi-Object Annotation Tasks

1 code implementation20 Dec 2023 Alexander Braylan, Madalyn Marabella, Omar Alonso, Matthew Lease

Beyond investigating these research questions above, we discuss the foundational concept of annotation complexity, present a new aggregation model as a bridge between traditional models and our own, and contribute a new semi-supervised learning method for complex label aggregation that outperforms prior work.

Model Selection Navigate

Measuring Annotator Agreement Generally across Complex Structured, Multi-object, and Free-text Annotation Tasks

1 code implementation15 Dec 2022 Alexander Braylan, Omar Alonso, Matthew Lease

When annotators label data, a key metric for quality assurance is inter-annotator agreement (IAA): the extent to which annotators agree on their labels.

text annotation

Local versus Global Strategies in Social Query Expansion

no code implementations5 Aug 2019 Omar Alonso, Vasileios Kandylas, Serge-Eric Tremblay

Link sharing in social media can be seen as a collaboratively retrieved set of documents for a query or topic expressed by a hashtag.

Retrieval valid

Scalable Knowledge Graph Construction from Twitter

no code implementations14 Jun 2019 Omar Alonso, Vasileios Kandylas, Serge-Eric Tremblay

We describe a knowledge graph derived from Twitter data with the goal of discovering relationships between people, links, and topics.

graph construction

A Data Management Approach for Dataset Selection Using Human Computation

no code implementations13 Jul 2013 Alexandros Ntoulas, Omar Alonso, Vasilis Kandylas

As the number of applications that use machine learning algorithms increases, the need for labeled data useful for training such algorithms intensifies.

BIG-bench Machine Learning Management

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