no code implementations • 20 May 2023 • Ankur Sinha, Satishwar Kedas, Rishu Kumar, Pekka Malo
Limited studies have tried to address the sentiment extraction task in a setting where multiple entities are present in a news headline.
1 code implementation • 28 Jan 2023 • Zhaoyang Chen, Lina Siltala-Li, Mikko Lassila, Pekka Malo, Eeva Vilkkumaa, Tarja Saaresranta, Arho Veli Virkki
Relative to a single-Transformer solution using only a third of the high-quality patient data, the solution with two models improved the prediction performance's $R^{2}$ from 88. 8% to 97. 5%.
no code implementations • 17 May 2017 • Ankur Sinha, Pekka Malo, Kalyanmoy Deb
Only limited work exists on bilevel problems using evolutionary computation techniques; however, recently there has been an increasing interest due to the proliferation of practical applications and the potential of evolutionary algorithms in tackling these problems.
no code implementations • 17 Aug 2016 • Ankur Sinha, Janne Rämö, Pekka Malo, Markku Kallio, Olli Tahvonen
A shift from even-aged forest management to uneven-aged management practices leads to a problem rather different from the existing straightforward practice that follows a rotation cycle of artificial regeneration, thinning of inferior trees and a clearcut.
no code implementations • LREC 2014 • Pyry Takala, Pekka Malo, Ankur Sinha, Oskar Ahlgren
The annotations of 297 documents and over 9000 sentences can be used for research purposes when developing methods for detecting topic-wise sentiment in financial text.
2 code implementations • 19 Jul 2013 • Pekka Malo, Ankur Sinha, Pyry Takala, Pekka Korhonen, Jyrki Wallenius
The objective of this article is to investigate how semantic orientations can be better detected in financial and economic news by accommodating the overall phrase-structure information and domain-specific use of language.
no code implementations • 15 Mar 2013 • Ankur Sinha, Pekka Malo, Kalyanmoy Deb
The efficacy of the algorithm has been shown on two sets of test problems.
no code implementations • 28 Mar 2012 • Ankur Sinha, Pekka Malo, Timo Kuosmanen
The model selection is proposed to be performed in two steps.