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Thursday, December 27, 2012

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IEEE Dot Net Project - A Query Formulation Language for the data web

  • Thursday, December 27, 2012
  • prakash chalumuri
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    • A Query Formulation Language for the data web

    ABSTRACT:
    We present a query formulation language called MashQL in order to easily query and fuse structured data on the web. The main novelty of MashQL is that it allows people with limited IT-skills to explore and query one or multiple data sources without prior knowledge about the schema, structure, vocabulary, or any technical details of these sources. More importantly, to be robust and cover most cases in practice, we do not assume that a data source should have -an offline or inline- schema. This poses several language-design and performance complexities that we fundamentally tackle. To illustrate the query formulation power of MashQL, and without loss of generality, we chose the Data Web scenario. We also chose querying RDF, as it is the most primitive data model; hence, MashQL can be similarly used for querying relational databases and XML. We present two implementations of MashQL, an online mashup editor, and a Firefox add-on. The former illustrates how MashQL can be used to query and mash up the Data Web as simple as filtering and piping web feeds; and the Firefox addon illustrates using the browser as a web composer rather than only a navigator. To end, we evaluate MashQL on querying two datasets, DBLP and DBPedia, and show that our indexing techniques allow instant user-interaction.




    ALGORITHM:

    Compute the Graph-Signature

    Procedure ComputeOSignature(G, So)
    begin
    So= (a copy of) G. Stable = false
    Group nodes having the same property labels.
    while (Stable True) do
    foreach node A in So do
    foreach path P I from A into a node B do
    X = Pi-1(ext[B] G)
    if (A ⊈X) then replace A by (A X) and (A - X)
    if there was no split then Stable=True
    end

    Procedure ComputeISignature(G, SI)
    begin
    SI = (a copy of) G. Stable = false
    Group nodes having the same incoming properties
    while (Stable True) do
    foreach node A in SI do
    foreach Pi path into A from a node B do
    X = Pi(ext[B]G)
    if (A ⊈X) then replace A by (A X) and (A - X)
    if there was no split then Stable=True
    end

    ARCHITECTURE:



    EXISTING SYSTEM:

    A query formulation language called MashQL is that it allows people with limited IT-skills to explore and query one or multiple data sources without prior knowledge about the schema, structure, vocabulary, or any technical details of these sources. We do not assume that a data source should have -an offline or inline- schema. This poses several language-design and performance complexities that we fundamentally tackle. The rapid growth of structured data on the Web has created a high demand for making this content more reusable and consumable.


    PROPOSED SYSTEM:

    This project helps the user to dynamically create the book and upload the web. Not only but also provide the preview from the user uploading books.

    ADVANTAGE OF PROPOSED SYSTEM:
    1. It saves the time and the user spending cost.
    2. It is allow the user to dynamically create a new file through the web.
    3. We present two implementations of MashQL, an online mashup editor, and a Firefox add-on.




    MODULES:

    1.     Administrator Module
    2.     Upload Module
    3.     Preview Module
    4.     Download Module

    MODULES DESCRIPTION:

    Admin Module:

    It helps us to have details about files uploaded by users. Not only helping us to have details regarding uploads but also helps us to find out the search query needed by the user. For instance, various upload which detriment the mind and soul of human body will be deleted and also accounts used by the users will also be deleted.

    So, the main role of admin will be to detect the various detriments in uploaded files and releases only the ethical and valuable uploads to the users in large.

    Upload Module:

    This module is used to help the user to upload the book through the online. It includes the front page, back page and content details based on the categories such as medical, education, philosophy, software/hardware and others.

    Preview Module:

    This module is used to view the user book design, and then the user is going to change the design based on the preview image. This feature is used, when the user performs the front page and back page design time. The user is going to preview our design in the image format and also user can change the design from that image format.

    Download Module:

    The user is going to upload the book design with content. And then it verified based on the category with the type of book content by the admin. Finally the admin to upload the book details for the users. User can download any type of book content.

    SYSTEM SPECIFICATION:

    Hardware Requirements:

    •         System                 :   Pentium IV 2.4 GHz.
    •         Hard Disk            :   40 GB.
    •         Floppy Drive       :   1.44 Mb.
    •         Monitor                :   14’ Colour Monitor.
    •         Mouse                  :   Optical Mouse.
    •         Ram                     :   512 Mb.
    •         Keyboard             :   101 Keyboard.
    Software Requirements:

    •         Operating system           :   Windows XP.
    •         Coding Language :   ASP.Net with C#
    •         Data Base             :   SQL Server 2005.

    REFERENCE:
    Mustafa Jarrar and Marios D. Dikaiakos, Member, IEEE Computer Society, “A Query Formulation Language for the Data Web” IEEE TRANSACTIONS ON KNOWLEDGE AND DATA ENGINEERING, VOL. 24, NO. 5, MAY 2012.
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