| 1 | package felix.operator; |
| 2 | |
| 3 | import java.io.BufferedWriter; |
| 4 | import java.io.File; |
| 5 | import java.io.FileInputStream; |
| 6 | import java.io.FileOutputStream; |
| 7 | import java.io.OutputStreamWriter; |
| 8 | import java.sql.SQLException; |
| 9 | import java.util.ArrayList; |
| 10 | import java.util.Arrays; |
| 11 | import java.util.Collections; |
| 12 | import java.util.HashMap; |
| 13 | import java.util.HashSet; |
| 14 | import java.util.List; |
| 15 | |
| 16 | import org.postgresql.PGConnection; |
| 17 | |
| 18 | |
| 19 | import tuffy.db.RDB; |
| 20 | import tuffy.mln.Predicate; |
| 21 | import tuffy.mln.Type; |
| 22 | import tuffy.ra.ConjunctiveQuery; |
| 23 | import tuffy.ra.Expression; |
| 24 | import tuffy.ra.Function; |
| 25 | import tuffy.util.Config; |
| 26 | import tuffy.util.ExceptionMan; |
| 27 | import tuffy.util.StringMan; |
| 28 | import tuffy.util.Timer; |
| 29 | import tuffy.util.UIMan; |
| 30 | import tuffy.util.UnionFind; |
| 31 | import felix.dstruct.DataMovementOperator; |
| 32 | import felix.dstruct.FelixPredicate; |
| 33 | import felix.dstruct.FelixQuery; |
| 34 | import felix.dstruct.StatOperator; |
| 35 | import felix.dstruct.FelixPredicate.FPProperty; |
| 36 | import felix.parser.FelixCommandOptions; |
| 37 | import felix.util.FelixConfig; |
| 38 | import felix.util.FelixUIMan; |
| 39 | |
| 40 | /** |
| 41 | * A COREF operator in Felix. |
| 42 | * @author Ce Zhang |
| 43 | * |
| 44 | */ |
| 45 | public class COREFOperator extends StatOperator{ |
| 46 | |
| 47 | /** |
| 48 | * DMOs for soft positive edges. |
| 49 | */ |
| 50 | ArrayList<DataMovementOperator> softPosDMOs = new ArrayList<DataMovementOperator>(); |
| 51 | |
| 52 | /** |
| 53 | * DMOs for soft negative edges. |
| 54 | */ |
| 55 | ArrayList<DataMovementOperator> softNegDMOs = new ArrayList<DataMovementOperator>(); |
| 56 | |
| 57 | /** |
| 58 | * DMOs for hard positive edges. |
| 59 | */ |
| 60 | ArrayList<DataMovementOperator> hardPosDMOs = new ArrayList<DataMovementOperator>(); |
| 61 | |
| 62 | /** |
| 63 | * DMOs for hard negative edges. |
| 64 | */ |
| 65 | ArrayList<DataMovementOperator> hardNegDMOs = new ArrayList<DataMovementOperator>(); |
| 66 | |
| 67 | /** |
| 68 | * DMO for efficient representation of hard negative rules. |
| 69 | */ |
| 70 | DataMovementOperator nodeClassRule = null; |
| 71 | |
| 72 | /** |
| 73 | * DMO for efficient representation of hard negative rules. |
| 74 | */ |
| 75 | DataMovementOperator classTagsRule = null; |
| 76 | |
| 77 | /** |
| 78 | * DMO for retrieving the node's domain. |
| 79 | */ |
| 80 | DataMovementOperator nodeListDMO = null; |
| 81 | |
| 82 | /** |
| 83 | * The DataMovementOperator which is the union of all hard-neg DataMovementOperators. |
| 84 | */ |
| 85 | DataMovementOperator hardNegDMO1 = null; |
| 86 | |
| 87 | /** |
| 88 | * The DataMovementOperator which is the union of all hard-neg DataMovementOperators. |
| 89 | */ |
| 90 | DataMovementOperator hardNegDMO2 = null; |
| 91 | |
| 92 | /** |
| 93 | * The DataMovementOperator which is the union of all hard-pos DataMovementOperators. |
| 94 | */ |
| 95 | DataMovementOperator hardPosDMO = null; |
| 96 | |
| 97 | /** |
| 98 | * The DataMovementOperator which is the union of all soft-pos DataMovementOperators. |
| 99 | */ |
| 100 | DataMovementOperator softPosDMO1 = null; |
| 101 | |
| 102 | /** |
| 103 | * The DataMovementOperator which is the union of all soft-pos DataMovementOperators. |
| 104 | */ |
| 105 | DataMovementOperator softPosDMO2 = null; |
| 106 | |
| 107 | /** |
| 108 | * Whether represent clusterings results using pairwise representation. |
| 109 | * Note that, setting this parameter to true will cause quadratic numbers of |
| 110 | * result tuples. |
| 111 | */ |
| 112 | public boolean usePairwiseRepresentation = false; |
| 113 | |
| 114 | /** |
| 115 | * Target predicate of this Coref operator. |
| 116 | */ |
| 117 | FelixPredicate corefHead; |
| 118 | |
| 119 | /** |
| 120 | * Special syntax sugar for coref. |
| 121 | */ |
| 122 | HashMap<Integer, Integer> nodeClass = null; |
| 123 | |
| 124 | /** |
| 125 | * Special syntax sugar for coref. |
| 126 | */ |
| 127 | HashMap<Integer, HashSet<Integer>> classTags = null; |
| 128 | |
| 129 | /** |
| 130 | * The constructor of COREFOperator. |
| 131 | * @param _fq Felix query. |
| 132 | * @param _goalPredicates target predicates of this coref operator. |
| 133 | * @param _opt Command line options of this Felix run. |
| 134 | */ |
| 135 | public COREFOperator(FelixQuery _fq, HashSet<FelixPredicate> _goalPredicates, |
| 136 | FelixCommandOptions _opt) { |
| 137 | super(_fq, _goalPredicates, _opt); |
| 138 | for(FelixPredicate p : _goalPredicates){ |
| 139 | p.isCorefPredicate = true; |
| 140 | } |
| 141 | this.type = OPType.COREF; |
| 142 | this.precedence = 10; |
| 143 | } |
| 144 | |
| 145 | /** |
| 146 | * Get the size of domain on which clustering is conducted. |
| 147 | * @param p clustering predicate |
| 148 | * @return |
| 149 | */ |
| 150 | public int getDomainSize(Predicate p){ |
| 151 | return p.getTypeAt(0).size()/this.partitionedInto; |
| 152 | } |
| 153 | |
| 154 | |
| 155 | /** |
| 156 | * Generate Data Movement Operator used by this Coref Operator. |
| 157 | * @param rules rules defining this operator. |
| 158 | */ |
| 159 | public void prepareDMO(HashSet<ConjunctiveQuery> rules){ |
| 160 | |
| 161 | // build linear representation table for this operator |
| 162 | if(fq.getPredByName(corefHead.getName() + "_map") == null){ |
| 163 | FelixPredicate pmap = new FelixPredicate(corefHead.getName() + "_map", true); |
| 164 | pmap.appendArgument(corefHead.getTypeAt(0)); |
| 165 | pmap.appendArgument(corefHead.getTypeAt(1)); |
| 166 | pmap.prepareDB(db); |
| 167 | fq.addFelixPredicate(pmap); |
| 168 | } |
| 169 | |
| 170 | |
| 171 | // generate Data Movement Operator according to conjunctive queries |
| 172 | for(ConjunctiveQuery cq : rules){ |
| 173 | |
| 174 | /* |
| 175 | if(cq.sourceClause.hasEmbeddedWeight()){ |
| 176 | Expression e = new Expression(Function.GreaterThan); |
| 177 | Expression tmpe1 = Expression.exprVariableBinding(cq.sourceClause.getVarWeight()); |
| 178 | Expression tmpe = Expression.exprConstInteger(0); |
| 179 | e.addArgument(tmpe1); |
| 180 | e.addArgument(tmpe); |
| 181 | e.changeName = false; |
| 182 | |
| 183 | cq.addConstraint(e); |
| 184 | }*/ |
| 185 | |
| 186 | DataMovementOperator dmo = new DataMovementOperator(db, this); |
| 187 | dmo.logicQueryPlan.addQuery(cq, cq.head.getPred().getArgs(), |
| 188 | new ArrayList<String>(Arrays.asList("weight")) ); |
| 189 | dmo.whichToBound.add(cq.head.getTerms().get(0).toString()); |
| 190 | |
| 191 | // hard rule |
| 192 | if(cq.sourceClause.isHardClause() && cq.getWeight() > 0){ |
| 193 | dmo.predictedBB = 0; |
| 194 | dmo.PredictedFF = 1; |
| 195 | dmo.PredictedBF = 0; |
| 196 | hardPosDMOs.add(dmo); |
| 197 | allDMOs.add(dmo); |
| 198 | } |
| 199 | // hard negative rule |
| 200 | else if(cq.sourceClause.isHardClause() && cq.getWeight() < 0){ |
| 201 | dmo.predictedBB = 0; |
| 202 | dmo.PredictedFF = 1; |
| 203 | dmo.PredictedBF = this.getDomainSize(corefHead); |
| 204 | hardNegDMOs.add(dmo); |
| 205 | allDMOs.add(dmo); |
| 206 | } |
| 207 | // soft incomplete rule |
| 208 | //TODO |
| 209 | // else if( (!cq.sourceClause.isHardClause() && cq.getWeight() > 0) || |
| 210 | // cq.sourceClause.hasEmbeddedWeight() |
| 211 | // ){ |
| 212 | else if( (!cq.sourceClause.isHardClause() )){ |
| 213 | dmo.predictedBB = 0; |
| 214 | dmo.PredictedFF = 0; |
| 215 | dmo.PredictedBF = this.getDomainSize(corefHead); |
| 216 | softPosDMOs.add(dmo); |
| 217 | allDMOs.add(dmo); |
| 218 | }else{ |
| 219 | UIMan.warn("The following rule is ignored in the COREFOperator!\n" + cq); |
| 220 | } |
| 221 | |
| 222 | } |
| 223 | |
| 224 | // generate Data Movement Operator used in this operator |
| 225 | |
| 226 | //first, the DMO used to fetch the node domain |
| 227 | DataMovementOperator dmo = new DataMovementOperator(db, this); |
| 228 | dmo.predictedBB = 0; dmo.PredictedFF = 1; dmo.PredictedBF = 0; |
| 229 | dmo.logicQueryPlan.addQuery(db.getPrepareStatement( |
| 230 | "SELECT DISTINCT constantID FROM " + corefHead.getTypeAt(0).getRelName()), |
| 231 | new ArrayList<String>(Arrays.asList("constantID")), new ArrayList<String>()); |
| 232 | dmo.allowOptimization = false; |
| 233 | nodeListDMO = dmo; |
| 234 | allDMOs.add(dmo); |
| 235 | |
| 236 | //second, the DMO for the union of all hard-pos DMO |
| 237 | if(this.hardPosDMOs.size() > 0){ |
| 238 | this.hardPosDMO = DataMovementOperator.UnionAll(db, this, |
| 239 | this.hardPosDMOs, "000", new ArrayList<Integer>()); |
| 240 | this.hardPosDMO.isIntermediaDMO = true; |
| 241 | allDMOs.add(hardPosDMO); |
| 242 | } |
| 243 | |
| 244 | //third, the DMO for the union of all soft-pos DMO |
| 245 | if(this.softPosDMOs.size() > 0){ |
| 246 | |
| 247 | this.softPosDMO1 = DataMovementOperator.UnionAll(db, this, |
| 248 | this.softPosDMOs, "100", new ArrayList<Integer>()); |
| 249 | this.softPosDMO1.isIntermediaDMO = true; |
| 250 | allDMOs.add(softPosDMO1); |
| 251 | |
| 252 | /* |
| 253 | DataMovementOperator groupedSoftPosDMO1 = new DataMovementOperator(db, this); |
| 254 | groupedSoftPosDMO1.predictedBB = 0; groupedSoftPosDMO1.PredictedFF = 1; groupedSoftPosDMO1.PredictedBF = 0; |
| 255 | groupedSoftPosDMO1.logicQueryPlan.addQuery(db.getPrepareStatement( |
| 256 | "SELECT " + softPosDMO1.finalSelList.get(0) + "," |
| 257 | + softPosDMO1.finalSelList.get(1) + "," |
| 258 | + "sum(" + softPosDMO1.finalSelList.get(0) + ") as sumweight " |
| 259 | + "FROM " + softPosDMO1.getAllFreeViewName() + " " |
| 260 | + "GROUP BY " + softPosDMO1.finalSelList.get(0) + "," |
| 261 | + softPosDMO1.finalSelList.get(1) + " " |
| 262 | + "WHERE " + "sumweight > 0" |
| 263 | + " AND " + softPosDMO1.finalSelList.get(0) + " = ?"), |
| 264 | softPosDMO1.finalSelList, new ArrayList<String>()); |
| 265 | groupedSoftPosDMO1.allowOptimization = false; |
| 266 | allDMOs.add(groupedSoftPosDMO1); |
| 267 | */ |
| 268 | |
| 269 | |
| 270 | this.softPosDMO2 = DataMovementOperator.UnionAll(db, this, |
| 271 | this.softPosDMOs, "010", new ArrayList<Integer>()); |
| 272 | this.softPosDMO2.isIntermediaDMO = true; |
| 273 | allDMOs.add(softPosDMO2); |
| 274 | |
| 275 | /* |
| 276 | DataMovementOperator groupedSoftPosDMO2 = new DataMovementOperator(db, this); |
| 277 | groupedSoftPosDMO2.predictedBB = 0; groupedSoftPosDMO2.PredictedFF = 1; groupedSoftPosDMO2.PredictedBF = 0; |
| 278 | groupedSoftPosDMO2.logicQueryPlan.addQuery(db.getPrepareStatement( |
| 279 | "SELECT " + softPosDMO2.finalSelList.get(0) + "," |
| 280 | + softPosDMO2.finalSelList.get(1) + "," |
| 281 | + "sum(" + softPosDMO2.finalSelList.get(0) + ") as sumweight " |
| 282 | + "FROM " + softPosDMO2.getAllFreeViewName() + " " |
| 283 | + "GROUP BY " + softPosDMO2.finalSelList.get(0) + "," |
| 284 | + softPosDMO2.finalSelList.get(1) + " " |
| 285 | + "WHERE " + "sumweight > 0" |
| 286 | + " AND " + softPosDMO2.finalSelList.get(0) + " = ?"), |
| 287 | softPosDMO1.finalSelList, new ArrayList<String>()); |
| 288 | groupedSoftPosDMO2.allowOptimization = false; |
| 289 | allDMOs.add(groupedSoftPosDMO2); |
| 290 | */ |
| 291 | } |
| 292 | |
| 293 | //forth, the DMO for the union of all hard-negative DMO |
| 294 | if(this.hardNegDMOs.size() > 0){ |
| 295 | this.hardNegDMO1 = DataMovementOperator.UnionAll(db, this, |
| 296 | this.hardNegDMOs, "100", new ArrayList<Integer>()); |
| 297 | this.hardNegDMO1.isIntermediaDMO = true; |
| 298 | allDMOs.add(hardNegDMO1); |
| 299 | |
| 300 | this.hardNegDMO2 = DataMovementOperator.UnionAll(db, this, |
| 301 | this.hardNegDMOs, "010", new ArrayList<Integer>()); |
| 302 | this.hardNegDMO2.isIntermediaDMO = true; |
| 303 | allDMOs.add(hardNegDMO2); |
| 304 | } |
| 305 | |
| 306 | //then process special rules |
| 307 | for(ConjunctiveQuery cq : fq.getSpecialClusteringRules(this.corefHead.getName())){ |
| 308 | |
| 309 | if(cq.type == ConjunctiveQuery.CLUSTERING_RULE_TYPE.NODE_CLASS){ |
| 310 | |
| 311 | nodeClassRule = new DataMovementOperator(db, this); |
| 312 | nodeClassRule.logicQueryPlan.addQuery(cq, cq.head.getPred().getArgs(), |
| 313 | new ArrayList<String>() ); |
| 314 | nodeClassRule.whichToBound.add(cq.head.getTerms().get(0).toString()); |
| 315 | nodeClassRule.allowOptimization = false; |
| 316 | allDMOs.add(nodeClassRule); |
| 317 | |
| 318 | }else if(cq.type == ConjunctiveQuery.CLUSTERING_RULE_TYPE.CLASS_TAGS){ |
| 319 | classTagsRule = new DataMovementOperator(db, this); |
| 320 | classTagsRule.logicQueryPlan.addQuery(cq, cq.head.getPred().getArgs(), |
| 321 | new ArrayList<String>() ); |
| 322 | classTagsRule.whichToBound.add(cq.head.getTerms().get(0).toString()); |
| 323 | classTagsRule.allowOptimization = false; |
| 324 | allDMOs.add(classTagsRule); |
| 325 | |
| 326 | }else{ |
| 327 | ExceptionMan.die("No special rules other than NODE_CLASS " + |
| 328 | "and CLASS_TAGS are supported in Felix!"); |
| 329 | } |
| 330 | |
| 331 | } |
| 332 | |
| 333 | |
| 334 | } |
| 335 | |
| 336 | boolean prepared = false; |
| 337 | |
| 338 | /** |
| 339 | * Prepares operator for execution. |
| 340 | */ |
| 341 | @Override |
| 342 | public void prepare() { |
| 343 | |
| 344 | softPosDMOs.clear(); |
| 345 | |
| 346 | softNegDMOs.clear(); |
| 347 | |
| 348 | hardPosDMOs.clear(); |
| 349 | |
| 350 | hardNegDMOs.clear(); |
| 351 | |
| 352 | allDMOs.clear(); |
| 353 | //if(!prepared){ |
| 354 | |
| 355 | db = RDB.getRDBbyConfig(Config.db_schema); |
| 356 | |
| 357 | corefHead = this.getTargetPredicateIfHasOnlyOne(); |
| 358 | HashSet<ConjunctiveQuery> rules = |
| 359 | this.translateFelixClasesIntoFactorGraphEdgeQueries(corefHead, true, |
| 360 | this.inputPredicateScope, |
| 361 | FPProperty.NON_RECUR, |
| 362 | FPProperty.CHAIN_RECUR, |
| 363 | FPProperty.OTHER_RECUR); |
| 364 | |
| 365 | this.prepareDMO(rules); |
| 366 | prepared = true; |
| 367 | //} |
| 368 | } |
| 369 | |
| 370 | /** |
| 371 | * Executes operator. |
| 372 | */ |
| 373 | @Override |
| 374 | public void run() { |
| 375 | UIMan.print(">>> Start Running " + this); |
| 376 | |
| 377 | try{ |
| 378 | |
| 379 | this.isMarginal = belongsToBucket.isMarginal(); |
| 380 | |
| 381 | Timer.start("Coref-Op" + this.getId()); |
| 382 | |
| 383 | if(corefHead == null){ |
| 384 | throw new Exception("The head of this Coref operator is NULL."); |
| 385 | } |
| 386 | |
| 387 | cluster(); |
| 388 | |
| 389 | //this.oriMLN.dumpMapAnswerForPredicate(options.fout+"_coref_" + headPredicate.getName() + "_op" + id, |
| 390 | // headPredicate, false); |
| 391 | |
| 392 | FelixUIMan.println(0,0, "\n>>> {" + this + "} uses " + Timer.elapsed("Coref-Op" + this.getId())); |
| 393 | |
| 394 | if(!options.useDualDecomposition){ |
| 395 | this.belongsToBucket.runNextOperatorInBucket(); |
| 396 | } |
| 397 | |
| 398 | db.commit(); |
| 399 | db.close(); |
| 400 | |
| 401 | // TODO!!!!!!!!!!!!!!! |
| 402 | // db.close(); |
| 403 | |
| 404 | } catch (Exception e) { |
| 405 | e.printStackTrace(); |
| 406 | } |
| 407 | |
| 408 | } |
| 409 | |
| 410 | @Override |
| 411 | public String explain() { |
| 412 | // TODO Auto-generated method stub |
| 413 | return null; |
| 414 | } |
| 415 | |
| 416 | /** |
| 417 | * Clustering worker. |
| 418 | */ |
| 419 | public void cluster() throws Exception{ |
| 420 | |
| 421 | procSepcialRules(); |
| 422 | |
| 423 | // get domain for the clustering predicate |
| 424 | // We assume P(type,type) |
| 425 | ArrayList<Integer> nodes = new ArrayList<Integer>(); |
| 426 | this.nodeListDMO.execute(null, new ArrayList<Integer>()); |
| 427 | while(this.nodeListDMO.next()){ |
| 428 | nodes.add(this.nodeListDMO.getNext(1)); |
| 429 | } |
| 430 | |
| 431 | FelixUIMan.println(2,0,"#nodes = " + nodes.size()); |
| 432 | |
| 433 | Collections.shuffle(nodes); |
| 434 | HashMap<Integer, Integer> rankMap = new HashMap<Integer, Integer>(); |
| 435 | |
| 436 | ArrayList<Integer> ranks = new ArrayList<Integer>(); |
| 437 | for(int i=0; i<nodes.size(); i++){ |
| 438 | rankMap.put(nodes.get(i), i); |
| 439 | ranks.add(i); |
| 440 | } |
| 441 | |
| 442 | UnionFind<Integer> clusters = new UnionFind<Integer>(); |
| 443 | clusters.makeUnionFind(ranks); |
| 444 | ranks = null; |
| 445 | |
| 446 | Timer.start("clustering"); |
| 447 | int ct = 0; |
| 448 | int edges = 0; |
| 449 | |
| 450 | HashMap<Integer, HashSet<Integer>> hardClusters = new HashMap<Integer, HashSet<Integer>>(); |
| 451 | |
| 452 | for(int i=0; i<nodes.size(); i++){ |
| 453 | HashSet<Integer> s = new HashSet<Integer>(); |
| 454 | s.add(nodes.get(i)); |
| 455 | hardClusters.put(i, s); |
| 456 | } |
| 457 | |
| 458 | if(this.hardPosDMO != null){ |
| 459 | //UIMan.println(">>> Processing hard positive edges..."); |
| 460 | Timer.start("hardpos"); |
| 461 | db.disableAutoCommitForNow(); |
| 462 | |
| 463 | this.hardPosDMO.execute(null, new ArrayList<Integer>()); |
| 464 | int cnt = 0; |
| 465 | while(this.hardPosDMO.next()){ |
| 466 | cnt ++; |
| 467 | if(cnt % 100000000 == 0){ |
| 468 | // UIMan.print("*"); |
| 469 | FelixUIMan.println(2,0, "# hard edges: " + cnt); |
| 470 | } |
| 471 | Integer i = rankMap.get(this.hardPosDMO.getNext(1)); |
| 472 | Integer j = rankMap.get(this.hardPosDMO.getNext(2)); |
| 473 | i = clusters.getRoot(i); |
| 474 | j = clusters.getRoot(j); |
| 475 | if(i == j) continue; |
| 476 | if(i < j){ |
| 477 | hardClusters.get(i).addAll(hardClusters.get(j)); |
| 478 | hardClusters.remove(j); |
| 479 | }else{ |
| 480 | hardClusters.get(j).addAll(hardClusters.get(i)); |
| 481 | hardClusters.remove(i); |
| 482 | } |
| 483 | clusters.unionByValue(i, j); |
| 484 | } |
| 485 | |
| 486 | int x = 0; |
| 487 | for(int y : hardClusters.keySet()){ |
| 488 | x += hardClusters.get(y).size(); |
| 489 | } |
| 490 | |
| 491 | db.restoreAutoCommitState(); |
| 492 | //Timer.printElapsed("hardpos"); |
| 493 | } |
| 494 | |
| 495 | |
| 496 | for(int i=0; i<nodes.size(); i++){ |
| 497 | |
| 498 | int s = nodes.get(i); |
| 499 | if(ct % 100000 == 0){ |
| 500 | //UIMan.print("."); |
| 501 | FelixUIMan.println(2,0,ct + "/" + nodes.size() +" : " + |
| 502 | Timer.elapsed("clustering") + " edges : " + edges); |
| 503 | int nc = clusters.getNumClusters(); |
| 504 | FelixUIMan.println(2,0,"#clusters = " + nc); |
| 505 | } |
| 506 | ct ++; |
| 507 | |
| 508 | Integer root = clusters.getRoot(i); |
| 509 | |
| 510 | if(root != i) continue; |
| 511 | HashSet<Integer> classesInCluster = null; |
| 512 | |
| 513 | if(nodeClassRule != null && classTagsRule != null){ |
| 514 | classesInCluster = new HashSet<Integer>(); |
| 515 | for(int n : hardClusters.get(root)){ |
| 516 | classesInCluster.add(nodeClass.get(n)); |
| 517 | } |
| 518 | } |
| 519 | |
| 520 | List<Integer> wl = this.retrieveNeighbors(s); |
| 521 | HashSet<Integer> brokenByHardNeg = new HashSet<Integer>(); |
| 522 | brokenByHardNeg.addAll(this.retrieveHardNegEdges(s)); |
| 523 | |
| 524 | edges += wl.size(); |
| 525 | |
| 526 | //if(couldLinkPairwiseDMO != null){ |
| 527 | // group.addAll(hardClusters.get(i)); |
| 528 | //} |
| 529 | HashSet<Integer> merged = new HashSet<Integer>(); |
| 530 | merged.add(root); |
| 531 | |
| 532 | for(int t : wl){ |
| 533 | |
| 534 | int j = rankMap.get(t); |
| 535 | Integer r2 = clusters.getRoot(j); |
| 536 | if(j <= i || j != r2 || r2 == root) continue; |
| 537 | if(brokenByHardNeg.contains(t)) continue; |
| 538 | |
| 539 | if(nodeClassRule != null && classTagsRule != null){ |
| 540 | HashSet<Integer> classesInOtherCluster = new HashSet<Integer>(); |
| 541 | for(int n : hardClusters.get(r2)){ |
| 542 | classesInOtherCluster.add(nodeClass.get(n)); |
| 543 | } |
| 544 | classesInOtherCluster.removeAll(classesInCluster); |
| 545 | boolean compatible = true; |
| 546 | if(!classesInOtherCluster.isEmpty()){ |
| 547 | labf: |
| 548 | for(int x : classesInCluster){ |
| 549 | for(int y : classesInOtherCluster){ |
| 550 | HashSet<Integer> xt = classTags.get(x); |
| 551 | HashSet<Integer> yt = classTags.get(y); |
| 552 | xt.retainAll(yt); |
| 553 | if(xt.isEmpty()){ |
| 554 | compatible = false; |
| 555 | break labf; |
| 556 | } |
| 557 | } |
| 558 | } |
| 559 | } |
| 560 | if(compatible){ |
| 561 | classesInCluster.addAll(classesInOtherCluster); |
| 562 | }else{ |
| 563 | continue; |
| 564 | } |
| 565 | } |
| 566 | |
| 567 | clusters.unionByValue(root, r2); |
| 568 | brokenByHardNeg.addAll(this.retrieveHardNegEdges(t)); |
| 569 | merged.add(r2); |
| 570 | } |
| 571 | } |
| 572 | |
| 573 | int nc = clusters.getNumClusters(); |
| 574 | FelixUIMan.println(2,0,"# clusters = " + nc); |
| 575 | FelixUIMan.println(2,0,"# edges : " + edges); |
| 576 | |
| 577 | this.dumpAnswerToDBTable(corefHead, clusters, nodes); |
| 578 | } |
| 579 | |
| 580 | /** |
| 581 | * Get soft-pos neighbors of a given node. |
| 582 | * @param m1 |
| 583 | * @return |
| 584 | * @throws SQLException |
| 585 | */ |
| 586 | public List<Integer> retrieveNeighbors(Integer m1) throws SQLException{ |
| 587 | |
| 588 | ArrayList<Integer> ret = new ArrayList<Integer>(); |
| 589 | HashSet<Integer> ns = new HashSet<Integer>(); |
| 590 | |
| 591 | if(this.softPosDMO1 != null){ |
| 592 | |
| 593 | this.softPosDMO1.execute(null , new ArrayList<Integer>(Arrays.asList(m1))); |
| 594 | |
| 595 | while(this.softPosDMO1.next()){ |
| 596 | Integer i = softPosDMO1.getNext(1) + softPosDMO1.getNext(2) - m1; |
| 597 | if(!ns.contains(i)){ |
| 598 | ns.add(i); |
| 599 | ret.add(i); |
| 600 | } |
| 601 | } |
| 602 | } |
| 603 | |
| 604 | if(this.softPosDMO2 != null){ |
| 605 | |
| 606 | this.softPosDMO2.execute(null , new ArrayList<Integer>(Arrays.asList(m1))); |
| 607 | |
| 608 | while(this.softPosDMO2.next()){ |
| 609 | Integer i = softPosDMO2.getNext(1) + softPosDMO2.getNext(2) - m1; |
| 610 | if(!ns.contains(i)){ |
| 611 | ns.add(i); |
| 612 | ret.add(i); |
| 613 | } |
| 614 | } |
| 615 | } |
| 616 | |
| 617 | return ret; |
| 618 | } |
| 619 | |
| 620 | /** |
| 621 | * Get hard-neg neighbors of a given node. |
| 622 | * @param m1 |
| 623 | * @return |
| 624 | * @throws SQLException |
| 625 | */ |
| 626 | public List<Integer> retrieveHardNegEdges(Integer m1) throws SQLException{ |
| 627 | |
| 628 | ArrayList<Integer> ret = new ArrayList<Integer>(); |
| 629 | HashSet<Integer> ns = new HashSet<Integer>(); |
| 630 | |
| 631 | if(this.hardNegDMO1 != null){ |
| 632 | |
| 633 | this.hardNegDMO1.execute(null , new ArrayList<Integer>(Arrays.asList(m1))); |
| 634 | |
| 635 | while(this.hardNegDMO1.next()){ |
| 636 | Integer i = hardNegDMO1.getNext(1) + hardNegDMO1.getNext(2) - m1; |
| 637 | if(!ns.contains(i)){ |
| 638 | ns.add(i); |
| 639 | ret.add(i); |
| 640 | } |
| 641 | } |
| 642 | } |
| 643 | |
| 644 | if(this.hardNegDMO2 != null){ |
| 645 | |
| 646 | this.hardNegDMO2.execute(null , new ArrayList<Integer>(Arrays.asList(m1))); |
| 647 | |
| 648 | while(this.hardNegDMO2.next()){ |
| 649 | Integer i = hardNegDMO2.getNext(1) + hardNegDMO2.getNext(2) - m1; |
| 650 | if(!ns.contains(i)){ |
| 651 | ns.add(i); |
| 652 | ret.add(i); |
| 653 | } |
| 654 | } |
| 655 | } |
| 656 | |
| 657 | return ret; |
| 658 | } |
| 659 | |
| 660 | /** |
| 661 | * Process Tag and Class rules. |
| 662 | */ |
| 663 | private void procSepcialRules(){ |
| 664 | //System.out.println(">>> Processing special rules..."); |
| 665 | if(nodeClassRule != null){ |
| 666 | nodeClass = new HashMap<Integer, Integer>(); |
| 667 | nodeClassRule.execute(null, new ArrayList<Integer>()); |
| 668 | while(nodeClassRule.next()){ |
| 669 | int a = nodeClassRule.getNext(1); |
| 670 | int b = nodeClassRule.getNext(2); |
| 671 | nodeClass.put(a, b); |
| 672 | } |
| 673 | } |
| 674 | |
| 675 | if(classTagsRule != null){ |
| 676 | classTags = new HashMap<Integer, HashSet<Integer>>(); |
| 677 | classTagsRule.execute(null, new ArrayList<Integer>()); |
| 678 | while(classTagsRule.next()){ |
| 679 | int a = classTagsRule.getNext(1); |
| 680 | int b = classTagsRule.getNext(2); |
| 681 | if(!classTags.containsKey(a)){ |
| 682 | classTags.put(a, new HashSet<Integer>()); |
| 683 | } |
| 684 | classTags.get(a).add(b); |
| 685 | } |
| 686 | |
| 687 | } |
| 688 | |
| 689 | } |
| 690 | |
| 691 | /** |
| 692 | * Dump answers to a database table (or create view for it). |
| 693 | * @param p clustering predicate. |
| 694 | * @param clusters clustering result. |
| 695 | * @param nodes domain on which clustering is conducted. |
| 696 | */ |
| 697 | public void dumpAnswerToDBTable(Predicate p, UnionFind<Integer> clusters, ArrayList<Integer> nodes){ |
| 698 | |
| 699 | File loadingFile = new File(Config.getLoadingDir(), "loading_cg_" + p.getRelName() + "_op" + this.getId()); |
| 700 | //p.nextTupleID = 0; |
| 701 | |
| 702 | Predicate pmap = fq.getPredByName(p.getName() + "_map"); |
| 703 | //pmap.nextTupleID = 0; |
| 704 | |
| 705 | String relLinear = pmap.getRelName(); |
| 706 | |
| 707 | try { |
| 708 | BufferedWriter loadingFileWriter = new BufferedWriter(new OutputStreamWriter |
| 709 | (new FileOutputStream(loadingFile),"UTF8")); |
| 710 | |
| 711 | HashMap<Integer, Integer> map = clusters.getPartitionMap(); |
| 712 | HashMap<Integer, HashSet<Integer>> label2mention = new HashMap<Integer, HashSet<Integer>>(); |
| 713 | for(int k : map.keySet()){ |
| 714 | int c = map.get(k); |
| 715 | k = nodes.get(k); |
| 716 | c = nodes.get(c); |
| 717 | HashSet<Integer> set = label2mention.get(c); |
| 718 | if(set == null){ |
| 719 | set = new HashSet<Integer>(); |
| 720 | label2mention.put(c, set); |
| 721 | } |
| 722 | set.add(k); |
| 723 | } |
| 724 | |
| 725 | if(this.usePairwiseRepresentation){ |
| 726 | |
| 727 | for(Integer clusterID : label2mention.keySet()){ |
| 728 | if(label2mention.get(clusterID).size() == 0){ |
| 729 | continue; |
| 730 | } |
| 731 | |
| 732 | for(Integer node1 : label2mention.get(clusterID)){ |
| 733 | for(Integer node2 : label2mention.get(clusterID)){ |
| 734 | |
| 735 | ArrayList<String> parts = new ArrayList<String>(); |
| 736 | //parts.add(Integer.toString(p.nextTupleID(p.nextTupleID++))); |
| 737 | parts.add("TRUE"); |
| 738 | if(options.useDualDecomposition){ |
| 739 | parts.add(Integer.toString(1)); |
| 740 | }else{ |
| 741 | parts.add(Integer.toString(2)); |
| 742 | } |
| 743 | |
| 744 | |
| 745 | parts.add(Integer.toString(node1)); |
| 746 | parts.add(Integer.toString(node2)); |
| 747 | |
| 748 | loadingFileWriter.append(StringMan.join(",", parts) + "\n"); |
| 749 | |
| 750 | } |
| 751 | } |
| 752 | } |
| 753 | }else{ |
| 754 | for(Integer clusterID : label2mention.keySet()){ |
| 755 | if(label2mention.get(clusterID).size() == 0){ |
| 756 | continue; |
| 757 | } |
| 758 | |
| 759 | int newClusterID = clusterID; |
| 760 | for(Integer node1 : label2mention.get(clusterID)){ |
| 761 | if(node1 < newClusterID){ |
| 762 | newClusterID = node1; |
| 763 | } |
| 764 | } |
| 765 | |
| 766 | for(Integer node1 : label2mention.get(clusterID)){ |
| 767 | |
| 768 | ArrayList<String> parts = new ArrayList<String>(); |
| 769 | //parts.add(Integer.toString(p.nextTupleID(pmap.nextTupleID++))); |
| 770 | //parts.add("TRUE"); |
| 771 | |
| 772 | if(options.useDualDecomposition){ |
| 773 | parts.add("TRUE"); |
| 774 | parts.add(Integer.toString(2)); |
| 775 | }else{ |
| 776 | parts.add("TRUE"); |
| 777 | parts.add(Integer.toString(2)); |
| 778 | } |
| 779 | |
| 780 | parts.add(Integer.toString(node1)); |
| 781 | parts.add(Integer.toString(newClusterID)); |
| 782 | |
| 783 | loadingFileWriter.append(StringMan.join(",", parts) + "\n"); |
| 784 | |
| 785 | } |
| 786 | } |
| 787 | } |
| 788 | loadingFileWriter.close(); |
| 789 | |
| 790 | if(this.usePairwiseRepresentation){ |
| 791 | |
| 792 | FileInputStream in = new FileInputStream(loadingFile); |
| 793 | PGConnection con = (PGConnection)db.getConnection(); |
| 794 | |
| 795 | String sql; |
| 796 | //String sql = "DELETE FROM " + p.getRelName(); |
| 797 | //db.update(sql); |
| 798 | //db.vacuum(p.getRelName()); |
| 799 | |
| 800 | sql = "COPY " + p.getRelName() + "(truth, club, " + StringMan.commaList(p.getArgs()) + " ) FROM STDIN CSV"; |
| 801 | con.getCopyAPI().copyIn(sql, in); |
| 802 | in.close(); |
| 803 | p.isCurrentlyView = false; |
| 804 | |
| 805 | }else{ |
| 806 | |
| 807 | FileInputStream in = new FileInputStream(loadingFile); |
| 808 | PGConnection con = (PGConnection)db.getConnection(); |
| 809 | |
| 810 | String sql; |
| 811 | db.dropView(p.getRelName()); |
| 812 | db.dropTable(p.getRelName()); |
| 813 | |
| 814 | //sql = "DELETE FROM " + relLinear; |
| 815 | //db.update(sql); |
| 816 | //db.vacuum(relLinear); |
| 817 | |
| 818 | if(options.useDualDecomposition){ |
| 819 | |
| 820 | if(FelixConfig.isFirstRunOfDD){ |
| 821 | sql = "COPY " + relLinear + "(truth, club," + StringMan.commaList(pmap.getArgs()) + " ) FROM STDIN CSV"; |
| 822 | con.getCopyAPI().copyIn(sql, in); |
| 823 | in.close(); |
| 824 | //p.setHasSoftEvidence(true); |
| 825 | } |
| 826 | }else{ |
| 827 | sql = "COPY " + relLinear + "(truth, club, " + StringMan.commaList(pmap.getArgs()) + " ) FROM STDIN CSV"; |
| 828 | con.getCopyAPI().copyIn(sql, in); |
| 829 | in.close(); |
| 830 | } |
| 831 | |
| 832 | db.dropIndex(relLinear + "_label_idx"); |
| 833 | sql = "CREATE INDEX " + relLinear + "_label_idx on " + |
| 834 | relLinear + "(" + pmap.getArgs().get(1) + ")"; |
| 835 | db.update(sql); |
| 836 | |
| 837 | db.dropIndex(relLinear + "_node_idx"); |
| 838 | sql = "CREATE INDEX " + relLinear + "_node_idx on " + |
| 839 | relLinear + "(" + pmap.getArgs().get(0) + ")"; |
| 840 | db.update(sql); |
| 841 | |
| 842 | db.analyze(relLinear); |
| 843 | |
| 844 | db.dropSequence(p.getRelName()+"_seq"); |
| 845 | sql = "CREATE SEQUENCE " + p.getRelName()+"_seq" + |
| 846 | " START WITH 1"; |
| 847 | db.update(sql); |
| 848 | |
| 849 | sql = "CREATE VIEW " + p.getRelName() + " AS SELECT nextval('" + p.getRelName()+"_seq')" + |
| 850 | "::integer AS id," + |
| 851 | "TRUE::boolean AS truth, NULL::float as prior, " + |
| 852 | "2::integer as club, NULL::integer as atomID, " + |
| 853 | "t1."+pmap.getArgs().get(0)+"::integer as " + p.getArgs().get(0) + |
| 854 | ", t2."+pmap.getArgs().get(0)+"::integer as " + p.getArgs().get(1) + |
| 855 | " FROM " + relLinear + " t1, " + relLinear + " t2" + |
| 856 | " WHERE t1."+pmap.getArgs().get(1)+"=t2."+pmap.getArgs().get(1)+""; |
| 857 | p.isCurrentlyView = true; |
| 858 | //p.hasSoftEvidence = false; |
| 859 | p.setHasSoftEvidence(false); |
| 860 | db.update(sql); |
| 861 | |
| 862 | ((FelixPredicate)p).viewDef = sql + ""; |
| 863 | |
| 864 | if(options.useDualDecomposition){ |
| 865 | for(FelixPredicate fp : this.dd_CommonOutput){ |
| 866 | if(!fp.getName().equals(this.corefHead.getName()) |
| 867 | && !fp.getName().equals(this.corefHead.corefMAPPredicate.getName())){ |
| 868 | ExceptionMan.die("COREF 868: There must be something wrong with the parser!"); |
| 869 | } |
| 870 | |
| 871 | in = new FileInputStream(loadingFile); |
| 872 | String tableName; |
| 873 | String viewName; |
| 874 | |
| 875 | if(fp.isCorefMapPredicate){ |
| 876 | tableName = this.dd_commonOutputPredicate_2_tableName.get(fp); |
| 877 | }else{ |
| 878 | tableName = this.dd_commonOutputPredicate_2_tableName.get(fp.corefMAPPredicate); |
| 879 | } |
| 880 | |
| 881 | if(fp.isCorefMapPredicate){ |
| 882 | viewName = this.dd_commonOutputPredicate_2_tableName.get(fp.oriCorefPredicate); |
| 883 | }else{ |
| 884 | viewName = this.dd_commonOutputPredicate_2_tableName.get(fp); |
| 885 | } |
| 886 | |
| 887 | if(viewName != null) |
| 888 | db.dropView(viewName); |
| 889 | //db.dropTable(tableName); |
| 890 | |
| 891 | sql = "DELETE from " + tableName; |
| 892 | db.execute(sql); |
| 893 | |
| 894 | sql = "COPY " + tableName + "(truth, club, " + StringMan.commaList(pmap.getArgs()) + " ) FROM STDIN CSV"; |
| 895 | con.getCopyAPI().copyIn(sql, in); |
| 896 | in.close(); |
| 897 | |
| 898 | db.execute("UPDATE " + tableName + " SET prior = 1"); |
| 899 | |
| 900 | db.dropIndex(tableName + "_label_idx"); |
| 901 | sql = "CREATE INDEX " + tableName + "_label_idx on " + |
| 902 | tableName + "(" + pmap.getArgs().get(1) + ")"; |
| 903 | db.update(sql); |
| 904 | |
| 905 | db.dropIndex(tableName + "_node_idx"); |
| 906 | sql = "CREATE INDEX " + tableName + "_node_idx on " + |
| 907 | tableName + "(" + pmap.getArgs().get(0) + ")"; |
| 908 | db.update(sql); |
| 909 | |
| 910 | db.analyze(tableName); |
| 911 | |
| 912 | if(viewName != null){ |
| 913 | |
| 914 | db.dropSequence(viewName+"_seq"); |
| 915 | sql = "CREATE SEQUENCE " + viewName+"_seq" + |
| 916 | " START WITH 1"; |
| 917 | db.update(sql); |
| 918 | |
| 919 | sql = "CREATE VIEW " + viewName + " AS SELECT nextval('" + viewName+"_seq')" + |
| 920 | "::integer AS id," + |
| 921 | "TRUE::boolean AS truth, 1 as prior, " + |
| 922 | "2::integer as club, NULL::integer as atomID, " + |
| 923 | "t1."+pmap.getArgs().get(0)+"::integer as " + p.getArgs().get(0) + |
| 924 | ", t2."+pmap.getArgs().get(0)+"::integer as " + p.getArgs().get(1) + |
| 925 | " FROM " + tableName + " t1, " + tableName + " t2" + |
| 926 | " WHERE t1."+pmap.getArgs().get(1)+"=t2."+pmap.getArgs().get(1)+""; |
| 927 | db.update(sql); |
| 928 | |
| 929 | |
| 930 | |
| 931 | } |
| 932 | |
| 933 | } |
| 934 | } |
| 935 | |
| 936 | } |
| 937 | |
| 938 | } catch (Exception e) { |
| 939 | ExceptionMan.handle(e); |
| 940 | } |
| 941 | |
| 942 | } |
| 943 | |
| 944 | |
| 945 | @Override |
| 946 | public void learn() { |
| 947 | |
| 948 | } |
| 949 | |
| 950 | } |