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AB AB C 1 2 TS Triples in the Window Entailments in the Window A C [11] [12] AB C 3 A C [11] [12] D [13] D B [12] [11] AB C 4 A C [12] D [13] D B [12] [11] E [14] x … … AB C 12 A C [12] D [13] D B [12] E [14] A C 13 A D [13] D E [14]
![AB AB C 1 2 TS Triples in the Window Entailments in the Window A C [11] [12] AB C 3 A C [11] [12] D [13] D B [12] [11] AB C 4 A C [12] D [13] D B [12] [11] E [14] x … … AB C 12 A C [12] D [13] D B [12] E [14] A C 13 A D [13] D E [14]](http://images.slideplayer.com/16/5202974/slides/slide_1.jpg "AB AB C 1 2 TS Triples in the Window Entailments in the Window A C [11] [12] AB C 3 A C [11] [12] D [13] D B [12] [11] AB C 4 A C [12] D [13] D B [12] [11] E [14] x … … AB C 12 A C [12] D [13] D B [12] E [14] A C 13 A D [13] D E [14]")
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RDF Store Asserted Triples Entailed Triples Hash Table T of Asserted Triples Permanent Space T of Entailed Triples RDF Store Previous Materialization Hash Table T of Previous Materialization Working Space P[T], P [T] Ins P [T], P [T] - + Incremental Maintainer Rule EngineBuilt-ins P, P - + T of P, P - +
![RDF Store Asserted Triples Entailed Triples Hash Table T of Asserted Triples Permanent Space T of Entailed Triples RDF Store Previous Materialization Hash Table T of Previous Materialization Working Space P[T], P [T] Ins P [T], P [T] - + Incremental Maintainer Rule EngineBuilt-ins P, P - + T of P, P - +](http://images.slideplayer.com/16/5202974/slides/slide_2.jpg "RDF Store Asserted Triples Entailed Triples Hash Table T of Asserted Triples Permanent Space T of Entailed Triples RDF Store Previous Materialization Hash Table T of Previous Materialization Working Space P[T], P [T] Ins P [T], P [T] - + Incremental Maintainer Rule EngineBuilt-ins P, P - + T of P, P - +")
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t0t0 t1t1 t2t2 T exp S stream derived T exp D T stay S D T in S
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T exp S stream T stay S T in S T exp S stream T stay S T in S More triples with different expiration time enter the window A triple already present in the window enters the window
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(, t 0 ) (, t 1 ) (, t 2 ) t 0 ≤ t 1 ≤ t 2 (, t 0 )
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