Browsing by Subject "Bases de dades"
Now showing items 1-20 of 371
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A common framework for classifying and specifying deductive database updating problems
(Universitat Politècnica de Catalunya. Departament de Llenguatges i Sistemes Informàtics, 1994)
Conference report
Open AccessSeveral problems may arise when updating a deductive database. Up to now, the general approach of the research related to deductive database updating problems has been to provide specific methods for solving particular ... -
A comparative study of the construction management of a residential complex in Russia and Spain
(Universitat Politècnica de Catalunya, 2017-05)
Master thesis
Restricted access - author's decisionThe influence of project management in construction industry has been increased significantly in recent years due to development of various management tools, such as BIM for instance. Nevertheless, all technological ... -
A complete proof procedure for efficient integrity checking in deductive databases
(Universitat Politècnica de Catalunya. Departament de Llenguatges i Sistemes Informàtics, 1992)
Conference report
Open AccessWe present proof procedure for checking the integrity of a deductive database. We follow the proposal of Sadri and Kowalski. Our procedure replaces the latter's meta-level rules by inference rules that are implemented more ... -
A deductive approach to semantic heterogeneity in multidatabase systems
(Universitat Politècnica de Catalunya. Departament de Llenguatges i Sistemes Informàtics, 1993)
Conference report
Open AccessHeterogeneous Databases are becoming increasingly important, but they present several problems. We consider the problem of semantic heterogeneity and show that a deductive model is suita.ble for coping with the problem. ... -
A derivation path recording method for integrity checking in deductive databases
(Universitat Politècnica de Catalunya. Departament de Llenguatges i Sistemes Informàtics, 1991)
Conference report
Open AccessA method is presented for checking integrity constraints in a deductive database in which verification of integrity is reduced to determine if the transaction has induced the insertion of sorne inconsistency atom. In ... -
A dynamic adaptive framework for improving case-based reasoning system performance
(Universitat Politècnica de Catalunya, 2016-02-05)
Doctoral thesis
Open AccessAn optimal performance of a Case-Based Reasoning (CBR) system means, the CBR system must be efficient both in time and in size, and must be optimally competent. The efficiency in time is closely related to an efficient and ... -
A global probabilistic dataset for monitoring meteorological droughts
(American Meteorological Society, 2020)
Article
Open AccessDROP is a global land dataset to monitor meteorological drought that gathers an ensemble of observation-based datasets providing near-real time estimates with associated uncertainty using a probabilistic approach. Accurate ... -
A machine learning approach for product categorization
(Universitat Politècnica de Catalunya, 2020-10-23)
Bachelor thesis
Restricted access - confidentiality agreement -
A new plan generation method for deductive conceptual models validation
(Universitat Politècnica de Catalunya. Departament de Llenguatges i Sistemes Informàtics, 1993)
Conference report
Open AccessA new method for planning in a deductive conceptual model context is proposed. lt is based on viewing the information base modelled by a deductive conceptual model as a deductive database. This is possible provided that ... -
A note on the limitations of utilizing modal logic for federated information systems
(Universitat Politècnica de Catalunya. Departament de Llenguatges i Sistemes Informàtics, 1992)
Conference report
Open AccessRecently much effort has been put into using modal logic representation lan guages for different kinds of distributed database and distributed problem solving systems. We have ourselves presented an architecture realizing ... -
A process-aware tool for the worldwide request and distribution of medical supplies for Chagas
(Universitat Politècnica de Catalunya, 2019-07)
Bachelor thesis
Open AccessLas enfermedades tropicales desatendidas (ETD) son un grupo de enfermedades transmisibles que prevalecen en condiciones tropicales en 149 países. Afectan principalmente a las poblaciones que viven en la pobreza, sin ... -
A support information system for data management during project implementation: application in Tanzania
(2009-05-18)
Conference report
Open AccessWater and Sanitation programmes normally involve big amounts of information and several years of implementation; these are facts that justify the need of a proper monitoring. In this paper a Support Information System (SIS) ... -
A Video Database for Analyzing Affective Physiological Responses
(Universitat Politècnica de Catalunya, 2019-06)
Bachelor thesis
Open AccessAffective computing, leveraged by machine learning techniques, is advancing rapidly in the task of affect recognition in videos. However, there is a need for more annotated data. Several studies have built huge video ... -
A weak allowedness condition that ensures completeness of SLDNF-resolution
(Universitat Politècnica de Catalunya. Departament de Llenguatges i Sistemes Informàtics, 1990)
Conference report
Open AccessThe lillowedness condition usually imposed on classes of programs for which general completeness results for SLDNF-resolution have been proved is a very restrictive one and prohibits many important programming constructs. ... -
Acceso integrado a bases de datos heterogeneas
(Asociación de Técnicos de Informática, 1991-04)
Article
Open Access -
Actualització del Sistema de Reporting de SabentisPro
(Universitat Politècnica de Catalunya, 2016-09)
Master thesis (pre-Bologna period)
Restricted access - confidentiality agreement -
Adaptació d'assignatures de bases de dades a l'EEES
(2010)
Conference report
Open AccessEls canvis recents en els plans d'estudis de la UPC i la UOC tenen en compte el nou espai europeu d'educació superior (EEES). Una de les conseqüències directes d'aquests canvis és la necessitat d'afitar i optimitzar el ... -
Adaptació i renovació de l'eina utilitzada per a la comunicació entre la central de MANGO i les seves botigues distribuïdes per tot el món
(Universitat Politècnica de Catalunya, 2017-06-14)
Bachelor thesis
Restricted access - confidentiality agreement -
Adaptación de Microsoft Dynamics NAV para comunicación automática con una base de datos externa SQL
(Universitat Politècnica de Catalunya, 2007-07)
Master thesis (pre-Bologna period)
Restricted access - confidentiality agreement
Covenantee: Drivania -
Adaptive generation of multilingual questions and answers from web content
(Institute of Electrical and Electronics Engineers (IEEE), 2015)
Conference report
Open AccessThis article describes the adaptive generation of questions and answers from web content to assist the user when searching for information. The approach proposed integrates user models, domain-restricted knowledge ...
