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DBMS > AllegroGraph vs. Solr

System Properties Comparison AllegroGraph vs. Solr

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Editorial information provided by DB-Engines
NameAllegroGraph  Xexclude from comparisonSolr  Xexclude from comparison
DescriptionHigh performance, persistent RDF store with additional support for Graph DBMSA widely used distributed, scalable search engine based on Apache Lucene
Primary database modelDocument store infowith version 6.5
Graph DBMS
RDF store
Search engine
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.92
Rank#165  Overall
#24  Document stores
#14  Graph DBMS
#7  RDF stores
Score51.64
Rank#19  Overall
#3  Search engines
Websiteallegrograph.comlucene.apache.org/­solr
Technical documentationfranz.com/­agraph/­support/­documentation/­current/­agraph-introduction.htmllucene.apache.org/­solr/­resources.html
DeveloperFranz Inc.Apache Software Foundation
Initial release20042006
Current release7.0, April 20208.5.2, May 2020
License infoCommercial or Open Sourcecommercial infoLimited community edition freeOpen Source infoApache Version 2
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJava
Server operating systemsLinux
OS X
Windows
All OS with a Java VM inforuns as a servlet in servlet container (e.g. Tomcat, Jetty is included)
Data schemeyes infoRDF schemasyes infoDynamic Fields enables on-the-fly addition of new fields
Typing infopredefined data types such as float or dateyesyes infosupports customizable data types and automatic typing
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.no infobulk load of XML files possibleyes
Secondary indexesyesyes infoAll search fields are automatically indexed
SQL infoSupport of SQLSPARQL is used as query languageSolr Parallel SQL Interface
APIs and other access methodsRESTful HTTP API
SPARQL
Java API
RESTful HTTP/JSON API
Supported programming languagesC#
Clojure
Java
Lisp
Perl
Python
Ruby
Scala
.Net
Erlang
Java
JavaScript
any language that supports sockets and either XML or JSON
Perl
PHP
Python
Ruby
Scala
Server-side scripts infoStored proceduresyes infoJavaScript or Common LispJava plugins
Triggersyesyes infoUser configurable commands triggered on index changes
Partitioning methods infoMethods for storing different data on different nodeswith FederationSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-slave replication
Multi-master replication
yes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnospark-solr: github.com/­lucidworks/­spark-solr and streaming expressions to reduce
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency or Eventual Consistency depending on configurationEventual Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDoptimistic locking
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlUsers with fine-grained authorization concept, user roles and pluggable authenticationyes
More information provided by the system vendor
AllegroGraphSolr
Specific characteristicsKnowledge Graph Platform Leader FedShard - Designed for Entity-Event Knowledge Graph...
» more
Competitive advantagesAllegroGraph is uniquely suited to support adhoc queries through SPARQL, Prolog and...
» more
News

AllegroGraph Named to 100 Companies That Matter Most in Data
22 June 2020

Bloor Research Covers AllegroGraph with FedShard
5 June 2020

AllegroGraph Tutorial – Distributed Repository Using Shards and Federation Setup
25 May 2020

Advanced Knowledge Graph Visualization with New Gruff v8
12 May 2020

Ubiquitous AI Demands A New Type Of Database Sharding
5 May 2020

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and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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More resources
AllegroGraphSolr
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Recent citations in the news

AllegroGraph Named to 100 Companies That Matter Most in Data
23 June 2020, PR Web

Data Summit Connect 2020 Drills Down on Better Data Processes With Knowledge Graphs
10 June 2020, Database Trends and Applications

KMWorld AI 50: The Companies Empowering Intelligent Knowledge Management
7 July 2020, KMWorld Magazine

Ubiquitous AI Demands A New Type Of Database Sharding
1 May 2020, Forbes

AllegroGraph v7 Powers First Distributed Semantic Knowledge Graph Solution with Federated-Sharding
26 May 2020, Business Wire

provided by Google News

Enterprise Search Software Market 2020 Growth Prospects 2027, Top Companies – SLI Systems, Elasticsearch, Algolia, Apache Solr, Amazon CloudSearch, etc.
8 July 2020, Apsters News

Solar Alliance Now Offers Residential Solar Financing Option TSX Venture Exchange:SOLR
15 June 2020, GlobeNewswire

Enterprise Search Software Market Size and Forecast from 2020-2026|Swiftype,Algolia,Elasticsearch,Apache Solr
16 June 2020, Cole of Duty

Enterprise Search Software Market 2020 Growth Analysis, Major Players – SLI Systems, Elasticsearch, Algolia, Apache Solr, Amazon CloudSearch, etc. COVID-19 Impact Analysis, Forecast 2027
10 June 2020, Cole of Duty

Enterprise Search Software Market (Covid-19 Updated) to Witness Astonishing Growth by 2026 | Swiftype, Algolia, Elasticsearch, Apache Solr, SearchSpring, AddSearch.
29 June 2020, Bandera County Courier

provided by Google News

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