sage-client

sage-client

JS client for the SaGe query engine

Installation

Requirements:

• Node.js v8.11.2 or higher
• npm v5.6.0 or higher

npm installation

npm install -g sage-client

Manual installation

git clone https://github.com/Callidon/sage-client.git
cd sage-client
npm install --production

CLI Usage

Usage: sage-client <server> [options]

  Execute a SPARQL query using a SaGe interface

  Options:

    -q, --query <query>     evaluates the given SPARQL query
    -f, --file <file>       evaluates the SPARQL query in the given file
    -t, --type <mime-type>  determines the MIME type of the output (e.g., application/json) (default: application/json)
    -h, --help              output usage information

Supported SPARQL language features

• SELECT, ASK, CONSTRUCT & DESCRIBE queries
• Basic Graph Patterns
• Optional
• SPARQL subqueries
• SERVICE queries
• Union
• Limit / Offset
• Group By
• Order By
• Aggregates queries (Min, Max, Avg, Count, Sum, Sample, Group_Concat)
• SPARQL Filters:
  • '+', '-', '*', '/', '=', '!=', '<', '<=', '>', '>=', '!', '&&', '||'
  • lang, langmatches
  • contains
  • regex
  • str
  • http://www.w3.org/2001/XMLSchema#integer
  • http://www.w3.org/2001/XMLSchema#double
  • bound
  • isIRI, isBlank, isLiteral
  • sameterm
• SPARQL 1.1 VALUES
• SPARQL 1.1 Property Paths:
  • Sequence '/'
  • Reverse '^'
  • Alterative '|'
  • Negated '!'