Search results for "Tietokannat"
showing 10 items of 51 documents
Convolutional Neural Network Based Sleep Stage Classification with Class Imbalance
2022
Accurate sleep stage classification is vital to assess sleep quality and diagnose sleep disorders. Numerous deep learning based models have been designed for accomplishing this labor automatically. However, the class imbalance problem existing in polysomnography (PSG) datasets has been barely investigated in previous studies, which is one of the most challenging obstacles for the real-world sleep staging application. To address this issue, this paper proposes novel methods with signal-driven and image-driven ways of noise addition to balance the imbalanced relationship in the training dataset samples. We evaluate the effectiveness of the proposed methods which are integrated into a convolut…
Koulun kahlitsemat - arjen selviytyjät : näkökulmia kielen oppimiseen
2003
This article discusses written narratives about foreign language learning. The stories were collected in a contest organised by KVS Foundation (Kansanvalistusseura), a Finnish organisation for adult education. Over 500 texts were sent for the contest, representing writers of both sexes, various language backgrounds and many professions. The age of writers varied from 8 to 80. In this article we discuss the nature of the data and the creation of a data base. Some preliminary observations are reported and a case study discussed. The relation between the academic and everyday views of language learning is also dealt with. peerReviewed
Computational studies of biomolecular screening and interactions
2015
Tietue 2011/2
2011
Relaatiotietokannat ja olio-ohjelmointi
2017
Olioparadigma on yleisesti hyväksytty tapa mallintaa sovellusohjelman monimutkaisuutta. Vastaavasti relaatioparadigmaan perustuvat relaatiokannat ovat keskeisessä roolissa tiedon tallentamisessa. Näiden kahden paradigman yhteensovittaminen ei ole ongelmatonta, vaan johtaa olio-relaatioyhteensopimattomuutena tunnettuun ongelmaan. Tämä tutkielma tarkastelee yhteensopimattomuuteen johtavia syitä ja esittelee metodeja sen kanssa selviytymiseksi Object-oriented paradigm is a widely accepted way to control complexity in software. Correspondingly relational databases based on the relational paradigm play a central role in storing information. Combining these two paradigms is not effortless but lea…
Open Access – tie tieteelliseen vaikuttavuuteen?
2015
Tietokantatuotteiden replikointiominaisuuksien arviointi : tapaus: Prosessitiedon välittäminen järjestelmien välillä
2003
Filling the ___-s in Finnish MWE lexicons
2020
This paper describes the automatic construction of FinnMWE: a lexicon of Finnish Multi-Word Expressions (MWEs). In focus here are syntactic frames: verbal constructions with arguments in a particular morphological form. The verbal frames are automatically extracted from FinnWordNet and English Wiktionary. The resulting lexicon interoperates with dependency tree searching software so that instances can be quickly found within dependency treebanks. The extraction and enrichment process is explained in detail. The resulting resource is evaluated in terms of its coverage of different types of MWEs. It is also compared with and evaluated against Finnish PropBank. peerReviewed