Enhanced Knowledge Management by Synchronizing Mind Maps and Fuzzy Cognitive Maps

This paper presents a conceptual approach to enhance knowledge management by synchronizing mind maps and fuzzy cognitive maps. The use of mind maps allows taking advantage of human creativity, while the application of fuzzy cognitive maps enables to store information expressed in natural language. By applying cognitive computing, it makes possible to gather and extract relevant information out of a data pool. Therefore, this approach is supposed to give a framework that enhances knowledge management. To demonstrate the potential of this framework, a use case concerning the development of a smart city app is presented.

Tratamiento de resultados en diseños cualitativos : La aplicación del Análisis Descriptivo

Este artículo presenta el Análisis Descriptivo como una estrategia del tratamiento de la información durante el proceso de investigación y su posible uso en estudios de diseño cualitativo. Muchas investigaciones en Ciencias Sociales y Humanas no contemplan la importancia de explicitar los soportes teórico-metodológicos de las inferencias explicativas o interpretación/es a la/s que se arriba, es decir, cómo es que se ha pasado del referente seleccionado (unidad de referencia), al argumento (modelo explicativo o interpretativo) con el que se lo pretende representar. De este modo, se suele ignorar el problema de la representación del referente en un dato tratable y la necesaria transformación del lenguaje natural (LN) en lenguaje descriptivo (LD). Se desarrollan dos ejemplos del campo de la Etología y de la Psicología, aplicando la estrategia metodológica del Análisis Descriptivo. En ellos se demuestra que la codificación que permite realizar este método toma en cuenta por un lado, la base de conocimientos e informaciones relativas a un dominio disciplinar particular y, por otro, permite evidenciar las inferencias seguidas en el razonamiento y las reglas de interpretación utilizadas para arribar a nuevos conocimientos

Lógica formal y argumentación

Este artículo explora críticamente la tesis según la cual la lógica formal deductiva contemporánea proporciona métodos e instrumentos para una teoría de la evaluación de argumentos formulados en un lenguaje natural. En este artículo se sostiene que la teoría de la (in)validez de la lógica formal deductiva sólo se puede aplicar a los argumentos del lenguaje natural utilizando aquello que se quiere explicar teóricamente, i.e. Las intuiciones que los/las hablantes de un lenguaje natural tienen acerca de la relaciones de implicación lógica entre las expresiones de esa lengua. Se exploran también algunas consecuencias pedagógicas de esta crítica.

Tratamiento de resultados en diseños cualitativos : La aplicación del Análisis Descriptivo

Este artículo presenta el Análisis Descriptivo como una estrategia del tratamiento de la información durante el proceso de investigación y su posible uso en estudios de diseño cualitativo. Muchas investigaciones en Ciencias Sociales y Humanas no contemplan la importancia de explicitar los soportes teórico-metodológicos de las inferencias explicativas o interpretación/es a la/s que se arriba, es decir, cómo es que se ha pasado del referente seleccionado (unidad de referencia), al argumento (modelo explicativo o interpretativo) con el que se lo pretende representar. De este modo, se suele ignorar el problema de la representación del referente en un dato tratable y la necesaria transformación del lenguaje natural (LN) en lenguaje descriptivo (LD). Se desarrollan dos ejemplos del campo de la Etología y de la Psicología, aplicando la estrategia metodológica del Análisis Descriptivo. En ellos se demuestra que la codificación que permite realizar este método toma en cuenta por un lado, la base de conocimientos e informaciones relativas a un dominio disciplinar particular y, por otro, permite evidenciar las inferencias seguidas en el razonamiento y las reglas de interpretación utilizadas para arribar a nuevos conocimientos

Lógica formal y argumentación

Este artículo explora críticamente la tesis según la cual la lógica formal deductiva contemporánea proporciona métodos e instrumentos para una teoría de la evaluación de argumentos formulados en un lenguaje natural. En este artículo se sostiene que la teoría de la (in)validez de la lógica formal deductiva sólo se puede aplicar a los argumentos del lenguaje natural utilizando aquello que se quiere explicar teóricamente, i.e. Las intuiciones que los/las hablantes de un lenguaje natural tienen acerca de la relaciones de implicación lógica entre las expresiones de esa lengua. Se exploran también algunas consecuencias pedagógicas de esta crítica.

Lógica formal y argumentación

Este artículo explora críticamente la tesis según la cual la lógica formal deductiva contemporánea proporciona métodos e instrumentos para una teoría de la evaluación de argumentos formulados en un lenguaje natural. En este artículo se sostiene que la teoría de la (in)validez de la lógica formal deductiva sólo se puede aplicar a los argumentos del lenguaje natural utilizando aquello que se quiere explicar teóricamente, i.e. Las intuiciones que los/las hablantes de un lenguaje natural tienen acerca de la relaciones de implicación lógica entre las expresiones de esa lengua. Se exploran también algunas consecuencias pedagógicas de esta crítica.

Tratamiento de resultados en diseños cualitativos : La aplicación del Análisis Descriptivo

Este artículo presenta el Análisis Descriptivo como una estrategia del tratamiento de la información durante el proceso de investigación y su posible uso en estudios de diseño cualitativo. Muchas investigaciones en Ciencias Sociales y Humanas no contemplan la importancia de explicitar los soportes teórico-metodológicos de las inferencias explicativas o interpretación/es a la/s que se arriba, es decir, cómo es que se ha pasado del referente seleccionado (unidad de referencia), al argumento (modelo explicativo o interpretativo) con el que se lo pretende representar. De este modo, se suele ignorar el problema de la representación del referente en un dato tratable y la necesaria transformación del lenguaje natural (LN) en lenguaje descriptivo (LD). Se desarrollan dos ejemplos del campo de la Etología y de la Psicología, aplicando la estrategia metodológica del Análisis Descriptivo. En ellos se demuestra que la codificación que permite realizar este método toma en cuenta por un lado, la base de conocimientos e informaciones relativas a un dominio disciplinar particular y, por otro, permite evidenciar las inferencias seguidas en el razonamiento y las reglas de interpretación utilizadas para arribar a nuevos conocimientos

Evaluating a Speech Communication System for deaf people

This paper describes the development of an Advanced Speech Communication System for Deaf People and its field evaluation in a real application domain: the renewal of Driver’s License. The system is composed of two modules. The first one is a Spanish into Spanish Sign Language (LSE: Lengua de Signos Española) translation module made up of a speech recognizer, a natural language translator (for converting a word sequence into a sequence of signs), and a 3D avatar animation module (for playing back the signs). The second module is a Spoken Spanish generator from sign-writing composed of a visual interface (for specifying a sequence of signs), a language translator (for generating the sequence of words in Spanish), and finally, a text to speech converter. For language translation, the system integrates three technologies: an example-based strategy, a rule-based translation method and a statistical translator. This paper also includes a detailed description of the evaluation carried out in the Local Traffic Office in the city of Toledo (Spain) involving real government employees and deaf people. This evaluation includes objective measurements from the system and subjective information from questionnaires. Finally, the paper reports an analysis of the main problems and a discussion about possible solutions.

Speaker Diarization Based on Intensity Channel Contribution

The time delay of arrival (TDOA) between multiple microphones has been used since 2006 as a source of information (localization) to complement the spectral features for speaker diarization. In this paper, we propose a new localization feature, the intensity channel contribution (ICC) based on the relative energy of the signal arriving at each channel compared to the sum of the energy of all the channels. We have demonstrated that by joining the ICC features and the TDOA features, the robustness of the localization features is improved and that the diarization error rate (DER) of the complete system (using localization and spectral features) has been reduced. By using this new localization feature, we have been able to achieve a 5.2% DER relative improvement in our development data, a 3.6% DER relative improvement in the RT07 evaluation data and a 7.9% DER relative improvement in the last year's RT09 evaluation data.

A Multi-Agent System for the Solution of Fuzzy Incidents in Telecommunications

This article presents a multi-agent expert system (SMAF) , that allows the input of incidents which occur in different elements of the telecommunications area. SMAF interacts with experts and general users, and each agent with all the agents? community, recording the incidents and their solutions in a knowledge base, without the analysis of their causes. The incidents are expressed using keywords taken from natural language (originally Spanish) and their main concepts are recorded with their severities as the users express them. Then, there is a search of the best solution for each incident, being helped by a human operator using a distancenotions between them.

Speaker Diarization Features: The UPM Contribution to the RT09 Evaluation

Two new features have been proposed and used in the Rich Transcription Evaluation 2009 by the Universidad Politécnica de Madrid, which outperform the results of the baseline system. One of the features is the intensity channel contribution, a feature related to the location of the speaker. The second feature is the logarithm of the interpolated fundamental frequency. It is the first time that both features are applied to the clustering stage of multiple distant microphone meetings diarization. It is shown that the inclusion of both features improves the baseline results by 15.36% and 16.71% relative to the development set and the RT 09 set, respectively. If we consider speaker errors only, the relative improvement is 23% and 32.83% on the development set and the RT09 set, respectively.

Review of Research on Speech Technology: Main Contributions From Spanish Research Groups

In the last two decades, there has been an important increase in research on speech technology in Spain, mainly due to a higher level of funding from European, Spanish and local institutions and also due to a growing interest in these technologies for developing new services and applications. This paper provides a review of the main areas of speech technology addressed by research groups in Spain, their main contributions in the recent years and the main focus of interest these days. This description is classified in five main areas: audio processing including speech, speaker characterization, speech and language processing, text to speech conversion and spoken language applications. This paper also introduces the Spanish Network of Speech Technologies (RTTH. Red Temática en Tecnologías del Habla) as the research network that includes almost all the researchers working in this area, presenting some figures, its objectives and its main activities developed in the last years.

Style Guidelines for Naming and Labeling Ontologies in the Multilingual Web

In the context of the Semantic Web, natural language descriptions associated with ontologies have proven to be of major importance not only to support ontology developers and adopters, but also to assist in tasks such as ontology mapping, information extraction, or natural language generation. In the state-of-the-art we find some attempts to provide guidelines for URI local names in English, and also some disagreement on the use of URIs for describing ontology elements. When trying to extrapolate these ideas to a multilingual scenario, some of these approaches fail to provide a valid solution. On the basis of some real experiences in the translation of ontologies from English into Spanish, we provide a preliminary set of guidelines for naming and labeling ontologies in a multilingual scenario.

Generating multimedia presentations that summarize the behavior of dynamic systems using a model-based approach

This article describes a knowledge-based method for generating multimedia descriptions that summarize the behavior of dynamic systems. We designed this method for users who monitor the behavior of a dynamic system with the help of sensor networks and make decisions according to prefixed management goals. Our method generates presentations using different modes such as text in natural language, 2D graphics and 3D animations. The method uses a qualitative representation of the dynamic system based on hierarchies of components and causal influences. The method includes an abstraction generator that uses the system representation to find and aggregate relevant data at an appropriate level of abstraction. In addition, the method includes a hierarchical planner to generate a presentation using a model with dis- course patterns. Our method provides an efficient and flexible solution to generate concise and adapted multimedia presentations that summarize thousands of time series. It is general to be adapted to differ- ent dynamic systems with acceptable knowledge acquisition effort by reusing and adapting intuitive rep- resentations. We validated our method and evaluated its practical utility by developing several models for an application that worked in continuous real time operation for more than 1 year, summarizing sen- sor data of a national hydrologic information system in Spain.

Cross-lingual ontology matching as a challenge for the Multilingual Semantic Web

Recently, the Semantic Web has experienced significant advancements in standards and techniques, as well as in the amount of semantic information available online. Nevertheless, mechanisms are still needed to automatically reconcile information when it is expressed in different natural languages on the Web of Data, in order to improve the access to semantic information across language barriers. In this context several challenges arise [1], such as: (i) ontology translation/localization, (ii) cross-lingual ontology mappings, (iii) representation of multilingual lexical information, and (iv) cross-lingual access and querying of linked data. In the following we will focus on the second challenge, which is the necessity of establishing, representing and storing cross-lingual links among semantic information on the Web. In fact, in a “truly” multilingual Semantic Web, semantic data with lexical representations in one natural language would be mapped to equivalent or related information in other languages, thus making navigation across multilingual information possible for software agents.