Search Results for author: Kostas Tsioutsiouliklis

Found 4 papers, 1 papers with code

Hierarchical Transfer Learning for Multi-label Text Classification

no code implementations • ACL 2019 • Siddhartha Banerjee, Cem Akkaya, Francisco Perez-Sorrosal, Kostas Tsioutsiouliklis

Compared to binary classifiers trained from scratch, our HTrans approach results in significant improvements of 1{\%} on micro-F1 and 3{\%} on macro-F1 on the RCV1 dataset.

Binary Classification General Classification +4

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Identifying Domain Independent Update Intents in Task Based Dialogs

no code implementations • WS 2018 • Prakhar Biyani, Cem Akkaya, Kostas Tsioutsiouliklis

This new type, Update Intents (UI), is directly related to the type of update a user intends to perform for a slot-value pair.

General Classification Multi-class Classification +2

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First Story Detection using Entities and Relations

1 code implementation • COLING 2016 • Nikolaos Panagiotou, Cem Akkaya, Kostas Tsioutsiouliklis, Vana Kalogeraki, Dimitrios Gunopulos

News portals, such as Yahoo News or Google News, collect large amounts of documents from a variety of sources on a daily basis.

Relation Extraction

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Optimal Web-Scale Tiering as a Flow Problem

no code implementations • NeurIPS 2010 • Gilbert Leung, Novi Quadrianto, Kostas Tsioutsiouliklis, Alex J. Smola

We present a fast online solver for large scale maximum-flow problems as they occur in portfolio optimization, inventory management, computer vision, and logistics.

Management Portfolio Optimization

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