Essays about: "Query Processing"

Showing result 21 - 25 of 70 essays containing the words Query Processing.

  1. 21. A Natural Language Interface for Querying Linked Data

    University essay from Karlstads universitet/Institutionen för matematik och datavetenskap (from 2013)

    Author : Christoffer Akrin; Simon Tham; [2020]
    Keywords : SPARQL; NLP; RDF; Semantic Web; Knowledge Base; Knowledge Graph;

    Abstract : The thesis introduces a proof of concept idea that could spark great interest from many industries. The idea consists of a remote Natural Language Interface (NLI), for querying Knowledge Bases (KBs). The system applies natural language technology tools provided by the Stanford CoreNLP, and queries KBs with the use of the query language SPARQL. READ MORE

  3. 22. Combining Result Size Calculation and Query Execution for the GraphQL Query Language

    University essay from Linköpings universitet/Databas och informationsteknik

    Author : Andreas Lundquist; [2020]
    Keywords : GraphQL; JavaScript;

    Abstract : GraphQL is an open source framework for creating adaptable API layers and was developed and released by Facebook in 2015. GraphQL includes both a query language and an execution engine and has quickly gained popularity among developers. READ MORE

  4. 23. Hudi on Hops : Incremental Processing and Fast Data Ingestion for Hops

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Netsanet Gebretsadkan Kidane; [2019]
    Keywords : Hudi; Hadoop; Hops; Upsert; SQL; Spark; Kafka; Hudi; Hadoop; Hops; Upsert; SQL; Spark; Kafka;

    Abstract : In the era of big data, data is flooding from numerous data sources and many companies have been utilizing different types of tools to load and process data from various sources in a data lake. The major challenges where different companies are facing these days are how to update data into an existing dataset without having to read the entire dataset and overwriting it to accommodate the changes which have a negative impact on the performance. READ MORE

  5. 24. Comparison of geospatial support in RDF stores: Evaluation for ICOS Carbon Portal metadata

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Amir Raza; [2019]
    Keywords : Geography; Geographical Information Systems GIS ; GeoSPARQL; Geospatial query language; RDF stores; Java Programming; RDF4J; Jena; Virtuoso; Stardog; GraphDB; Earth and Environmental Sciences; Technology and Engineering;

    Abstract : The evolution of World Wide Web (WWW) into semantic web is happening with the aid of standards like Resource Description Framework (RDF), SPARQL and a few others from World Wide Web Consortium (W3C). Over the years, semantic data management technologies have been introduced as software platforms commonly known as RDF stores. READ MORE

  6. 25. Relevance feedback-based optimization of search queries for Patents

    University essay from Linköpings universitet/Interaktiva och kognitiva system

    Author : Sijin Cheng; [2019]
    Keywords : Patent Search; Query Reformulation; Recommendation System; Matrix Decomposition; Text Processing;

    Abstract : In this project, we design a search query optimization system based on the user’s relevance feedback by generating customized query strings for existing patent alerts. Firstly, the Rocchio algorithm is used to generate a search string by analyzing the characteristics of related patents and unrelated patents. READ MORE