187 lines
7.8 KiB
Plaintext
187 lines
7.8 KiB
Plaintext
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{
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"cells": [
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{
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"cell_type": "code",
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"execution_count": 1,
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"id": "b9081b7c",
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"metadata": {},
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"outputs": [],
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"source": [
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"# This file deletes in the pipeline the unwanted relationship by different rules\n",
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"import pandas as pd\n",
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"import sqlite3\n",
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"import numpy as np\n",
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"\n",
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"\n",
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"CONN = sqlite3.connect('../../Assets/Dataset/Tmp/dataset2.db')\n",
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"\n",
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"def get_RDF() -> pd.DataFrame:\n",
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" \"\"\"\n",
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" QUERY = \"SELECT * FROM RDFs \" \\\n",
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" \"INNER JOIN Subjects USING (SubjectID) \" \\\n",
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" \"INNER JOIN Relationships USING (RelationshipID) \" \\\n",
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" \"INNER JOIN Objects USING (ObjectID);\"\n",
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" RDF = pd.read_sql_query(QUERY, CONN)\n",
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" RDF = RDF[[\"SubjectURI\", \"RelationshipURI\", \"ObjectURI\"]]\n",
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" RDF = RDF.dropna()\n",
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" \"\"\"\n",
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" Subjects = pd.read_sql_query('SELECT * FROM Subjects;', CONN)\n",
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" Objects = pd.read_sql_query('SELECT * FROM Objects;', CONN)\n",
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" Relationships = pd.read_sql_query('SELECT * FROM Relationships;', CONN)\n",
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" RDF = pd.read_sql_query('SELECT * FROM RDFs;', CONN)\n",
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"\n",
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" # drop '' values \n",
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" Subjects = Subjects.replace('', np.nan)# .dropna()\n",
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" Relationships = Relationships.replace('', np.nan)# .dropna()\n",
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" Objects = Objects.replace('', np.nan)# .dropna()\n",
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"\n",
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" # join RDF with its components\n",
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" RDF = RDF.merge(Subjects, left_on=\"SubjectID\", right_on=\"SubjectID\")\n",
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" RDF = RDF.merge(Objects, left_on=\"ObjectID\", right_on=\"ObjectID\")\n",
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" RDF = RDF.merge(Relationships, left_on=\"RelationshipID\", right_on=\"RelationshipID\")\n",
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" RDF = RDF[[\"SubjectURI\", \"RelationshipURI\", \"ObjectURI\", \"MovieID\"]]\n",
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" return RDF\n",
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"\n",
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"\n",
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"#def delete_relationship_by_uri(RDF: pd.DataFrame, )\n",
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"\n",
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"def delete_relationship_by_uri(RDF: pd.DataFrame, uri: str) -> pd.DataFrame:\n",
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" return RDF[RDF[\"RelationshipURI\"]!= uri]\n",
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"\n",
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"\n",
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"\n",
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"RDF = get_RDF()\n",
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"# RDF = RDF.dropna()\n",
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"# print(RDF)\n"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 2,
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"id": "644690bb",
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"metadata": {},
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"outputs": [],
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"source": [
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"def filter_by_frequence_relationship_uri(RDF: pd.DataFrame, count_treshold) -> pd.DataFrame:\n",
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" counts = RDF[\"RelationshipURI\"].value_counts() \n",
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" RDF[\"RelationshipFreq\"] = RDF[\"RelationshipURI\"].map(counts)\n",
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" RDF = RDF[RDF[\"RelationshipFreq\"] >= count_treshold]\n",
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" # counts is a series as key: relationship, value: count\n",
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" # counts = counts[counts > count_treshold]\n",
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" # relationships = counts.index\n",
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" # RDF = RDF[RDF[\"RelationshipURI\"].isin(relationships)]\n",
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" # RDF = RDF.groupby(\"RelationshipURI\").filter(lambda x: len(x) >= count_treshold)\n",
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" return RDF\n",
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"\n",
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"RDF = filter_by_frequence_relationship_uri(RDF, 1)\n",
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"# print(new_RDF)\n",
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"\n"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "34525be6",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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" SubjectURI \\\n",
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"0 http://dbpedia.org/resource/Nights_of_Cabiria \n",
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"1 http://dbpedia.org/resource/California_Science... \n",
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"2 http://dbpedia.org/resource/China_Captain \n",
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"3 http://dbpedia.org/resource/Caravan_of_Courage... \n",
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"4 http://dbpedia.org/resource/WHIH_Newsfront \n",
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"... ... \n",
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"12725500 http://dbpedia.org/resource/I_Will_Follow_(film) \n",
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"12725501 http://dbpedia.org/resource/I_Will_Follow_(film) \n",
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"12725502 http://dbpedia.org/resource/I_Witnessed_Genoci... \n",
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"12725503 http://dbpedia.org/resource/I_Woke_Up_Early_th... \n",
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"12725504 http://dbpedia.org/resource/I_Won't_Play \n",
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"\n",
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" RelationshipURI \\\n",
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"0 http://www.w3.org/2002/07/owl#differentFrom \n",
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"1 http://www.w3.org/2002/07/owl#differentFrom \n",
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"2 http://www.w3.org/2002/07/owl#differentFrom \n",
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"3 http://www.w3.org/2002/07/owl#differentFrom \n",
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"4 http://www.w3.org/2000/01/rdf-schema#seeAlso \n",
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"... ... \n",
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"12725500 http://dbpedia.org/ontology/producer \n",
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"12725501 http://dbpedia.org/ontology/producer \n",
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"12725502 http://dbpedia.org/ontology/producer \n",
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"12725503 http://dbpedia.org/ontology/producer \n",
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"12725504 http://dbpedia.org/ontology/producer \n",
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"\n",
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" ObjectURI MovieID \\\n",
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"0 http://dbpedia.org/resource/Cabiria 26 \n",
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"1 http://dbpedia.org/resource/California_Academy... 185 \n",
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"2 http://dbpedia.org/resource/Captain_China 614 \n",
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"3 http://dbpedia.org/resource/Caravan_of_Courage... 740 \n",
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"4 http://dbpedia.org/resource/Captain_America:_C... 594 \n",
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"... ... ... \n",
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"12725500 http://dbpedia.org/resource/Ava_DuVernay 145854 \n",
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"12725501 http://dbpedia.org/resource/Molly_Mayeux 145854 \n",
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"12725502 http://dbpedia.org/resource/Headlines_Today 145861 \n",
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"12725503 http://dbpedia.org/resource/Billy_Zane 145862 \n",
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"12725504 http://dbpedia.org/resource/Gordon_Hollingshead 145864 \n",
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"\n",
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" RelationshipFreq MovieFreq \n",
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"0 2132 216 \n",
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"1 2132 264 \n",
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"2 2132 66 \n",
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"3 2132 131 \n",
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"4 1653 133 \n",
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"... ... ... \n",
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"12725500 80077 95 \n",
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"12725501 80077 95 \n",
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"12725502 80077 41 \n",
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"12725503 80077 98 \n",
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"12725504 80077 91 \n",
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"\n",
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"[12725505 rows x 6 columns]\n"
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]
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}
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],
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"source": [
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"def filter_by_frequence_movie_id(RDF: pd.DataFrame, min_treshold, max_treshold) -> pd.DataFrame:\n",
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" counts = RDF[\"MovieID\"].value_counts() \n",
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" RDF[\"MovieFreq\"] = RDF[\"MovieID\"].map(counts)\n",
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" RDF = RDF[RDF[\"MovieFreq\"] >= min_treshold]\n",
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" RDF = RDF[RDF[\"MovieFreq\"] < max_treshold]\n",
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" # counts is a series as key: relationship, value: count\n",
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" # counts = counts[counts > count_treshold]\n",
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" # relationships = counts.index\n",
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" # RDF = RDF[RDF[\"RelationshipURI\"].isin(relationships)]\n",
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" # RDF = RDF.groupby(\"RelationshipURI\").filter(lambda x: len(x) >= count_treshold)\n",
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" return RDF\n",
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"\n",
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"RDF = filter_by_frequence_movie_id(RDF, 1, 1500)\n",
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"print(RDF)"
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]
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}
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],
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"metadata": {
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"kernelspec": {
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"display_name": "deep_learning",
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"language": "python",
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"name": "python3"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "ipython",
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"version": 3
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},
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"file_extension": ".py",
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"mimetype": "text/x-python",
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.13.7"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 5
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}
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