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Showing 1 to 20 of 43 for “"PostgreSQL"”.
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Návrh GUI pro práci s databázemi PostgreSQL
… rozhraní pro práci s databázovým systémem PostgreSQL. Výsledná aplikace umožňuje uživateli provádět základní a rozšířené operace s tabulkami. Návrh rozhraní je proveden pomocí programu Glade, který slouží k navrhování aplikací pro grafickou knihovnu GTK+. K implementaci aplikace je pak …
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A hierarchical time-indexed database for multi-modal derived sensor data using GPU-accelerated PostgreSQL
… the server programming interface (SPI) with PostgreSQL for accelerated signal processing. We demonstrate robust design, developments, and techniques of a hierarchical time-indexed database for decision support systems and propose an innovative database system for multi-modal derived …
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Cost-effective batch-based migration strategies for NewSQL-based big data systems
… lies in migrating data from Shardingsphere with PostgreSQL to AWS (AmazonWeb Services) cloud object storage. Implementing batch migration algorithms in Apache Spark, specifically targeting Delta Lake format, introduces complexities to ensure seamless data integration and storage within AWS …
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Providing caching abstractions for web applications
… popular Django web application framework, with PostgreSQL as the database backend and memcached as the caching layer. We use triggers inside the database to automatically invalidate or keep the cache synchronized, as desired by the developer. We have not made any modifications to PostgreSQL or …
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Xarxa social FOODIES
… S'ha utilitzat un servidor de bases de dades postgreSQL, entitats JPA, EJBs, Managed Beans, JSF i Primefaces com a framework per a les vistes de l'aplicació, Eclipse Neon amb GitLab.
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Unified processing of natural language and relational data
… of a relational framework. Utilizing features of PostgreSQL as a relational database and its extensibility to allow for word embedding without leaving the relational database. This system can be extended to incorporate several natural language processing (NLP) techniques, such as latent Dirichlet …
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Evaluation of Expressions with Uncertainty in Databases
… implementation that integrates this support in Postgresql DBMS, which to our knowledge is the first such implementation.
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CityGML in PostGIS : Portierung, Anwendung und Performanz-Analyse am Beipiel der 3D City Database von Berlin
… eine Portierung auf die freie Datenbank-Software PostgreSQL/PostGIS vorgenommen und mit der Performanz der Oracle-Version verglichen. PostGIS gilt als eine der ausgereiftesten Geodatenbanken und wurde in diesem Jahr mit dem Release der Version 2.0 nochmals um zahlreiche Funktionen und Features …
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Energy load prediction for Open Charge Point Protocol - compliant electric vehicle charging stations
… captures and processes OCPP transactions in PostgreSQL, deriving per-session energy for consistent forecasting targets. Using this platform, four models—Random Forest, K-Nearest Neighbors (KNN), Long Short-Term Memory (LSTM), and Prophet—are evaluated with expanding-window cross-validation on …
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DBOS Advanced Network Analysis Capability for Collaborative Awareness
… of traffic matrices using both Python and PostgreSQL-based workflows. These workflows extract and process IP-level metadata from DBOS applications, enabling multi-instance aggregation and analysis of network data. This integration represents the first instance of collaborative network …
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Uwarunkowania przestrzennej i czasowej zmienności właściwości fizykochemicznych wód powierzchniowych zlewni górnej Parsęty
… bazie danych wykonanej w systemie bazodanowym PostgreSQL/PostGIS. W analizie właściwości fizykochemicznych wód zastosowano m.in. analizę statystyk opisowych, metodę drzew klasyfikacyjnych i regresyjnych (CART, ang. Classification and Regression Tree), rozmytą metodę k-średnich (ang. fuzzy …
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Web-tools for streamlining ballroom dance competition management
… within the HTML used to create web-pages. The PostGreSQL database system is used to handle all data storage requirements. The registration component was selected as the initial tool because it provides the data needed by practically all of the other possible tools. SlidingDoors has been coded …
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BCN-Routing : càlcul web de rutes amb pgRouting, OpenStreetMaps i OpenLayers
… funcions i un tipus definit per l'usuari de PostgreSQL per al càlcul acurat d'itineraris mínims i l'estudi teòric que justifica la seva bondat.
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Learning analytics en cursos sobre TICS utilizando Moodle, Spark y Jupyter notebooks
… tecnologías utilizadas en esta parte son Moodle, PostgreSQL, Spark, Jupyter notebooks y MongoDB. La segunda parte consiste en la explotación de los datos, para lo cual se recurre al servidor Pentaho, se crea un almacén de datos con Spoon y se diseña un cubo de análisis multidimensional con Schema …
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Understanding and predicting method-level source code changes using commit history data
… tools such as GitHub and stored local in a PostgreSQL. The predictions are developed using the machine learning approaches Support Vector Machine and Random Forest. Furthermore, we will investigate what factors have the most impact on the performance of predicting using either Support Vector …
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A Large Language Model and Retrieval-Augmented Generation System to Assist with Undergraduate Academic Advising
… Qdrant vector database used for retrieval and a PostgreSQL database used for memory. In addition, within the RAG pipeline, we have incorporated metadata filtering with the student’s catalog year, major, and minor in order to guarantee deterministic retrieval, hybrid search via both semantic dense …
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Development of a Web Application for Personal Finance Management and Analysis
… Η αποθήκευση των δεδομένων βασίζεται στη PostgreSQL, αξιοποιώντας κανονικοποιημένο σχεσιακό σχήμα με περιορισμούς ακεραιότητας, ξένα κλειδιά και ευρετήρια απόδοσης. Η αυθεντικοποίηση των χρηστών υλοποιείται μέσω JSON Web Tokens (JWT). Το frontend αναπτύχθηκε με React και παρέχει διεπαφή …
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MINCE: Dialect-Aware SQL Decomposition for Federated Query Execution
… MINCE on a TPC-H-based workload augmented with PostgreSQL-specific functions unsupported in Amazon Redshift. Experimental results show that MINCE produces the fastest execution strategy among our baselines for 72.1% of queries using estimated cardinality, achieving a 2× speedup over …
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Database and Application Programming Interface Development for Rotational Spectroscopy
… delivery, and version control, to develop a PostgreSQL database with a Python API built on Django with RDKit integration. The product passed all unit tests and was successfully seeded with data. With the flexibility provided by the Django framework as well as detailed documentation of the …
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Reimagining Graduate Academic Planning: A User-Centered Web Application for the Plan of Study Process
… based on user input. It integrates a Django/PostgreSQL backend with a React-based interface, offering a user-centered solution that improves both the accuracy and usability of course planning. Findings from a needs-finding survey (n=68) informed the core features, while a post-deployment …
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