Linear and RRF retrievers for hybrid search across several semantic fields

gistfile1.txt

           		{
                "retriever": {
                    "linear": {
                        "retrievers": [
                            {
                                "retriever": {
                                    "rrf": {
                                        "retrievers": [
                                            {
                                                "standard": {
                                                    "query": {
                                                        "semantic": {
                                                            "field": "semantic_name",
                                                            "query": query
                                                        }
                                                    }
                                                }
                                             },
                                            {
                                                "standard": {
                                                    "query": {
                                                        "match_phrase": {
                                                            "index_name": query
                                                        }
                                                    }
                                                }
                                            }
                                        ]
                                    }
                                },
                                "weight": 2
                            },
                            {
                                "retriever": {
                                    "rrf": {
                                        "retrievers": [
                                            {
                                                "standard": {
                                                    "query": {
                                                        "semantic": {
                                                            "field": "semantic_description",
                                                            "query": query
                                                        }
                                                    }
                                                }
                                            },
                                            {
                                                "standard": {
                                                    "query": {
                                                        "match_phrase": {
                                                            "meta_description": query
                                                        }
                                                    }
                                                }
                                            }
                                        ]
                                    }
                                },
                                "weight": 3
                            },
                            {
                                "retriever": {
                                    "rrf": {
                                        "retrievers": [
                                            {
                                                "standard": {
                                                    "query": {
                                                        "semantic": {
                                                            "field": "semantic_fields",
                                                            "query": query
                                                        }
                                                    }
                                                }
                                            },
                                            {
                                                "standard": {
                                                    "query": {
                                                        "match_phrase": {
                                                            "field_descriptions": query
                                                        }
                                                    }
                                                }
                                            }
                                        ]
                                    }
                                },
                                "weight": 1
                            },
                            {
                                "retriever": {
                                    "standard": {
                                        "query": {
                                            "semantic": {
                                                "field": "semantic_mapping",
                                                "query": query
                                            }
                                        }
                                    }
                                },
                                "weight": 1
                            }
                        ]
                    }
                },
                "_source": ["index_name"],
			          "size": 5
            }