Adattamento di un guanto con tessuto sensorizzato al campo dell'interazione gestuale: realizzazione di prototipi esplorativi.

Il presente lavoro si propone di effettuare un'esplorazione delle possibilità nel campo dell'interazione gestuale offerte dal guanto in tessuto sensorizzato sviluppato nei laboratori del Centro E. Piaggio dell'Università di Pisa. Il guanto è stato impiegato assieme ad altri sensori per realizzare alcuni prototipi dimostrativi di applicazioni interattive: un esempio di navigazione in una scena tridimensionale, il gioco della morra cinese contro il computer

Http Request Scheduler

In the last years, the Web has reshaped around the concept of offer and ask for web services, creating a big distributed system of which these services are the main bricks. This study has the purpose to put in the world of web services a particular component, an HTTP request scheduling service, which can be instructed through a SOAP or REST interface to query or control other services through HTTP at an established time. Cron and other desktop schedulers\u27 power can be exploited to offer new kind of services, leading to new possibilities: to save histories with the first pages of a newspaper, to perform resource-tracking activities, to save different frames taken periodically by a site that manages a webcam, to activate and deactivate other services at a given time. We outlined the architecture of an HTTP Request Scheduler (HRS), implemented a working prototype in Java using the Quartz scheduling framework, and also defined a specific XML language to instruct the component

Sharing Cultural Heritage: the Clavius on the Web Project

In the last few years the amount of manuscripts digitized and made available on the Web has been constantly increasing. However, there is still a considarable lack of results concerning both the explicitation of their content and the tools developed to make it available. The objective of the Clavius on the Web project is to develop a Web platform exposing a selection of Christophorus Clavius letters along with three different levels of analysis: linguistic, lexical and semantic. The multilayered annotation of the corpus involves a XML-TEI encoding followed by a tokenization step where each token is univocally identified through a CTS urn notation and then associated to a part-of-speech and a lemma. The text is lexically and semantically annotated on the basis of a lexicon and a domain ontology, the former structuring the most relevant terms occurring in the text and the latter representing the domain entities of interest (e.g. people, places, etc.). Moreover, each entity is connected to linked and non linked resources, including DBpedia and VIAF. Finally, the results of the three layers of analysis are gathered and shown through interactive visualization and storytelling techniques. A demo version of the integrated architecture was developed

Web Language Identification Testing Tool

Nowadays a variety of tools for automatic language identification are available. Regardless of the approach used, at least two features can be identified as crucial to evaluate the performances of such tools: the precision of the presented results and the range of languages that can be detected. In this work we shall focus on a subtask of written language identification that is important to preserve and enhance multilinguality in the Web, i.e. detecting the language of a Web page given its URL. Most specifically, the final aim is to verify to which extent under-represented languages are recognized by available tools. The main specificity of Web Language Identification (WLI) lies in the fact that often an HTML page can provide interesting extralinguistic clues (URL domain name, metadata, encoding, etc) that can enhance accuracy. We shall first provide some data and statistics on the presence of languages on the web, secondly discuss existing practices and tools for language identification according to different metrics - for instance the approaches used and the number of supported languages - and finally make some proposals on how to improve current Web Language Identifiers. We shall also present a preliminary WLI service that builds on the Google Chromium Compact Language Detector; the WLI tool allows us to test the Google n-gram based algorithm against an adhoc gold standard of pages in various languages. The gold standard, based on a selection of Wikipedia projects, contains samples in languages for which no automatic recognition has been attempted; it can thus be used by specialists to develop and evaluate WLI systems

Chapter Rappresentazione, costruzione e visualizzazione di risorse terminologiche diacroniche nell’era del web semantico

This article introduces the model DIATERM, devoted to representing the diachronic evolution of concepts and terms in a given domain, according to Semantic Web standards and Linked Data technologies. The approach adopted for the representation of temporal information is based on the reification of N-ary relationships. DIATERM is articulated on three levels, textual, terminological and conceptual. Each level can be affected, more or less simultaneously, by change. The use of SWRL rules allows to automatically assign temporal information, thus facilitating the construction of the terminological resource and highlighting any inconsistencies. Two examples of interrogation and visualization of diachronic terminological resources will be illustrated. The first example is taken from the resource dedicated to the astronomical terminology introduced by Christopher Clavius in his Commentary on the Sacrobosco’s Tractatus de Sphaera. The second example is taken from the electronic lexicon of Ferdinand de Saussure's linguistic terminology

D6.1: Technologies and Tools for Lexical Acquisition

This report describes the technologies and tools to be used for Lexical Acquisition in PANACEA. It includes descriptions of existing technologies and tools which can be built on and improved within PANACEA, as well as of new technologies and tools to be developed and integrated in PANACEA platform. The report also specifies the Lexical Resources to be produced. Four main areas of lexical acquisition are included: Subcategorization frames (SCFs), Selectional Preferences (SPs), Lexical-semantic Classes (LCs), for both nouns and verbs, and Multi-Word Expressions (MWEs)

Transmitter made up of a Silicon Photonic IC and its Flip-Chipped CMOS IC DriverTargeting implementation in FDMA-PON

We report on the design, fabrication and characterization of a reflective transmitter targeting implementation in Passive Optical Networks (PON) with Frequency Division Multiplexed Access (FDMA). It is made up of a Silicon Photonic Integrated Circuit (Si-PIC) comprising a Reflective Mach Zehnder Modulator (R-MZM) and its flip chipped CMOS Electronic Integrated Circuit (EIC) driver, the two ICs being interconnected by means of high density and low parasitic copper micro pillars. Several transmissions, in an FDMA PON context, are successfully demonstrated using 500MBaud QPSK and 16-QAM modulated subcarriers, achieving Bit Error Rate (BER) below 2.10-3. For QPSK-modulated subcarriers (respectively 16-QAM), the available access frequency bandwidth is measured to be [1-7GHz] (respectively [2-4GHz]) with an available loss budget of 9dB (respectively 5dB). Improvements of the Si-PIC are further identified to achieve compliancy with 31dB ODN loss

Demonstration of a partially integrated silicon photonics ONU in a self-coherent reflective FDMA PON

We report about the final results of the FABULOUS European project, demonstrating the feasibility of real-time Ethernet transmission on a self-coherent reflective passive optical network, using an optical network unit (ONU) whose main optical functions are performed by a silicon-photonics device; 500 Mbps per user with a power budget of 24 dB in offline processing and 21 dB in real time is shown. We also report details about the packaging process and the special technique developed for the flip-chipping of a CMOS electrical driver, used for driving the ONU with low voltage, onto a silicon Mach-Zehnder modulator

Reducing the environmental impact of surgery on a global scale: systematic review and co-prioritization with healthcare workers in 132 countries

Abstract Background Healthcare cannot achieve net-zero carbon without addressing operating theatres. The aim of this study was to prioritize feasible interventions to reduce the environmental impact of operating theatres. Methods This study adopted a four-phase Delphi consensus co-prioritization methodology. In phase 1, a systematic review of published interventions and global consultation of perioperative healthcare professionals were used to longlist interventions. In phase 2, iterative thematic analysis consolidated comparable interventions into a shortlist. In phase 3, the shortlist was co-prioritized based on patient and clinician views on acceptability, feasibility, and safety. In phase 4, ranked lists of interventions were presented by their relevance to high-income countries and low–middle-income countries. Results In phase 1, 43 interventions were identified, which had low uptake in practice according to 3042 professionals globally. In phase 2, a shortlist of 15 intervention domains was generated. In phase 3, interventions were deemed acceptable for more than 90 per cent of patients except for reducing general anaesthesia (84 per cent) and re-sterilization of ‘single-use’ consumables (86 per cent). In phase 4, the top three shortlisted interventions for high-income countries were: introducing recycling; reducing use of anaesthetic gases; and appropriate clinical waste processing. In phase 4, the top three shortlisted interventions for low–middle-income countries were: introducing reusable surgical devices; reducing use of consumables; and reducing the use of general anaesthesia. Conclusion This is a step toward environmentally sustainable operating environments with actionable interventions applicable to both high– and low–middle–income countries

Data Cartography: atlases and maps for non-geographical data

La nostra società produce ed arricchisce continuamente dataset sempre più grandi e complessi. Data cartography, l’approccio che presentiamo in questa tesi, propone di utilizzare le esperienze congiunte del campo di ricerca dell’information visualization, che studia come sfruttare al meglio la potenza computazionale del canale visivo umano, e della cartografia, da secoli alle prese con la rappresentazione di realtà grandi e complesse, per estendere la realizzazione di mappe e atlanti anche a dataset non geografici. Il presente lavoro si focalizza sulla creazione di mappe che rappresentino strutture dati gerarchiche, come file systems, tassonomie o strutture organizzative, e su una specifica tecnica di layout basata sulla geometria frattale delle space-filling curve. Vengono discussi diversi algoritmi e studi di design, e sono proposte, rappresentate e confrontate nuove soluzioni, lavorando sia con dati dimostrativi sia su casi di studio reali. -- Our society constantly produces and enriches complex, ever-growing datasets. Data cartography, the approach we are presenting in this thesis, leverages the findings of both information visualization, studying how to optimally exploit the processing power of the human visual channel, and cartography, that has been dealing with the problem of representing big and complex entities for centuries, to extend the practice of the creation of maps and atlases to non-geographic data. The present work focuses on maps of hierarchical data, like file systems, taxonomies or organization structures, and on a specific layout technique based on the fractal geometry of space-filling curves. Many algorithms and design studies are discussed, and new solutions are suggested, represented and compared, working with data from both toy problems and real case studies