digraph G { graph [ rankdir=LR ]; Phrase [ label="Phrase", shape = polygon, sides = 4, color=blue, style=filled, fillcolor=blue, fontcolor=white ]; phrase__pnp [label="pnp"]; Word [ label="Word", shape = polygon, sides = 4, color=blue, style=filled, fillcolor=blue, fontcolor=white ]; word__pnp [label="pnp"]; word__chunk [label="chunk"]; Chunk [ label="Chunk", shape = polygon, sides = 4, color=blue, style=filled, fillcolor=blue, fontcolor=white ]; chunk__pnp [label="pnp"]; chunk__relations [label="relations"]; chunk__sentence [label="sentence"]; chunk__words [label="words"]; chunk__type [label="type"]; "texte" -> Phrase Phrase -> "parent" Phrase -> "language" Phrase -> "_anchors" Phrase -> "text" Phrase -> "_relation" Phrase -> "relations" Phrase -> "token" Phrase -> "words" Phrase -> phrase__pnp Phrase -> "chunks" Phrase -> "attachment" Phrase -> "id" Phrase -> "_previous" "words" -> Word "chunks" -> Chunk Chunk -> "_modifiers" Chunk -> "attachments" Chunk -> chunk__sentence Chunk -> chunk__pnp Chunk -> chunk__relations Chunk -> "_conjunctions" Chunk -> chunk__words Chunk -> chunk__type Chunk -> "anchor" chunk__words -> Word Word -> "index" Word -> "string" Word -> "_custom_tags" Word -> "sentence" Word -> word__pnp Word -> word__chunk Word -> "lemma" Word -> "type" word__chunk -> Chunk }