Showing 19 open source projects for "data structures"

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  • 1
    Apache Druid

    Apache Druid

    A high performance real-time analytics database

    ...Druid has been benchmarked to greatly outperform legacy solutions. Druid combines novel storage ideas, indexing structures, and both exact and approximate queries to return most results in under a second. Druid unlocks new types of queries and workflows for clickstream, APM, supply chain, network telemetry, digital marketing, risk/fraud, and many other types of data. Druid is purpose built for rapid, ad-hoc queries on both real-time and historical data.
    Downloads: 0 This Week
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  • 2
    jdbi

    jdbi

    jdbi is designed to provide convenient tabular data access in Java

    Jdbi provides convenient, idiomatic access to relational data in Java. Jdbi 3 is the third major release which introduces enhanced support for Java 8, countless refinements to the design and implementation, and enhanced support for modular plugins. Jdbi is built on top of JDBC. If your database has a JDBC driver, you can use Jdbi with it. Jdbi improves JDBC’s rough interface, providing a more natural Java database interface that is easy to bind to your domain data types. Unlike an ORM, we do...
    Downloads: 0 This Week
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  • 3
    TypeDB

    TypeDB

    TypeDB: a strongly-typed database

    ...TypeDB provides a strong type system for developers to break down complex problems into meaningful and logical systems. Through TypeQL, TypeDB provides powerful abstractions over low-level and complex data patterns. TypeDB allows you to model your domain based on logical and object-oriented principles. Composed of entity, relationship, and attribute types, as well as type hierarchies, roles, and rules, TypeDB allows you to think higher-level, as opposed to join-tables, columns, documents, vertices, edges, and properties.Types provide a way to describe the logical structures of your data, allowing TypeDB to validate that your code inserts and queries data correctly.
    Downloads: 0 This Week
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  • 4
    GeoTools, the Java GIS toolkit

    GeoTools, the Java GIS toolkit

    Toolkit for working with and mapping geospatial data

    GeoTools is an open source (LGPL) Java code library which provides standards compliant methods for the manipulation of geospatial data. GeoTools is an Open Source Geospatial Foundation project. The GeoTools library data structures are based on Open Geospatial Consortium (OGC) specifications.
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    Downloads: 436 This Week
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  • 5
    Depeche

    Depeche

    Java database mapper

    Depeche enables you to work with databases using data structures. It strives to be very simple and easy to use, avoiding both the tediousness of using JDBC directly and the heaviness of a full-blown ORM. It currently supports PostgreSQL, MySQL, H2, SQLite, MS SQL Server and FileMaker; support for other databases can be added easily. A simple ORM based on Depeche is also under development.
    Downloads: 0 This Week
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  • 6

    GETL

    ETL engine based on Groovy

    ...The simpler the class hierarchy, the easier solution; 2. The data structures tend to change over time, or not be known in advance, working with them must be maintained; 3. All routine work ETL should be automated wherever possible; 4. Compiling the code on the fly bail speed and reserve for the optimization; 5. Sophisticated class hierarchy guarantee easy connection of other open source solutions.
    Downloads: 5 This Week
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  • 7
    Fafnir-DB

    Fafnir-DB

    Database file mapping names to records, implementing a file-system

    Fafnir-DB is a database file, addressing variable record data through textual names as identifiers, which applies heap organisation of its data space (based on the Moelnir-file project). Fafnir-DB also implements a rudimentary file system (within the file). This operation modus is optional. There are no data size limits other than the range of a 64-bit signed integer. Scalability is limited to 1 - 10 Mio. entries due to non-paging internal structures.
    Downloads: 1 This Week
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  • 8
    Moelnir

    Moelnir

    Heap organised database service (Java library)

    Moelnir is a basic database file, addressing variable record data through integer identifiers, which applies heap organisation of its data space. Advantage of Moelnir is that each record is stored in a continuous segment on the file while still record size is limit-less variable and modifiable. There are no data length limits other than the range of a 63-bit unsigned integer. Scalability is limited to 1 - 10 Mio. entries due to non-paging internal structures.
    Downloads: 0 This Week
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  • 9
    XML Editor/Validator/Designer with CAMV

    XML Editor/Validator/Designer with CAMV

    CAM XML Editor for XML+JSON+Hibernate+SQL Open-XDX sponsored by Oracle

    The CAM editor is the leading open source XML Editor/Validation/Schema toolset for rapidly building / deploying XML /JSON /Hibernate /SQL data /Forms applications. Visual WYSIWYG data design, rule entry wizards + drag & drop dictionary components. Will import, analyze / refactor from XML Schema / JSON. Oracle is a proud enterprise sponsor; with NIEM.gov support. Do SQL data import/map+ Open Data API delivery+ Hibernate JPA + UI Forms/Pencil Makes XSD schema (default, flatten, NIEM, &...
    Downloads: 1 This Week
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  • 10

    UbForms

    Field data measurements entry and complex data structures at ease

    With UbForms a person can manage field data measurements entry and complex data structures at ease. This app is inspired and based on the UrForms data model and design with several intricate enhancements and fixes. It is open source and free with a low privacy footprint.
    Downloads: 0 This Week
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  • 11

    Big Sack

    Big Sack: A lightweight Java Key/Value store with undo and disk cache.

    Big Sack is a Java persistence mechanism that allows storage of key value pairs following the popular Big Data paradigms. Its a very simple and straightforward way to bridge the gap between in-memory data structures and long-term storage. It has the convenience of Java SDK TreeMap and TreeSet classes and is used the same easy way, but it includes rollback through undo logging to checkpoint data so it does not wind up in an unknown state regardless of failures. ...
    Downloads: 0 This Week
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  • 12

    XTarget

    Java API and Groovy Library for XML Scripting

    XTarget is an Groovy Library for automated editing of small XML Databases with Groovy scripts. It focuses on simultaneous editing of data, including structures like lists and maps, and linking between various XML files.
    Downloads: 0 This Week
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  • 13
    NMRShiftDB
    NMRShiftDB is an open-source, open-access, open-submission, open-content web database for chemical structures and their nuclear magnetic resonance data.
    Downloads: 9 This Week
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  • 14
    Java based tool for migrating database schemas and data between different databases and different structures.
    Downloads: 0 This Week
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  • 15
    Standalone Java application to view any hierarchical data structures in a JTree. Keys and names to show in the tree are solely driven by SQL statements. The same applies to the additional node's data, which is shown in a separate table panel aside.
    Downloads: 0 This Week
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  • 16
    AGTK is a suite of software components for building tools for annotating linguistic signals, time-series data which documents any kind of linguistic behavior (e.g. audio, video). The internal data structures are based on annotation graphs.
    Downloads: 0 This Week
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  • 17
    The MatrixBrowser project presents a new approach for visualizing and exploring large networked information structures which may represent, for instance, linked information resources or metadata structures such as ontologies.
    Downloads: 0 This Week
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  • 18
    TM4J is a topic map engine implemented entirely in Java. Topic maps are a standard paradigm for the interchange of knowledge structures. This project aims to produce a complete suite of tools for creating, processing and publishing topic map information.
    Downloads: 1 This Week
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  • 19
    JavaMatch is an engine that can search inside a runtime Java data structures, and look for objects that best match the criteria that you specify. The extensive query mechanism allows for highly customizable tuning of your match queries.
    Downloads: 0 This Week
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