diff --git a/configs/AvgTermFrequency.conf b/configs/AvgTermFrequency.conf
index 6d1757f..4b339dc 100644
--- a/configs/AvgTermFrequency.conf
+++ b/configs/AvgTermFrequency.conf
@@ -29,6 +29,7 @@
     "jsonClass" : "OneFeatureTCWeighterConfig",
     "feature" : {
       "jsonClass" : "AvgTermFrequency"
-    }
+    },
+    "docsToShow" : 3
   }
 }
\ No newline at end of file
diff --git a/configs/Basic.conf b/configs/Basic.conf
index d3d5ddd..8b7eea2 100644
--- a/configs/Basic.conf
+++ b/configs/Basic.conf
@@ -31,6 +31,7 @@
       "jsonClass" : "Basic",
       "longerTermsCoeff" : 0.72,
       "minSubTermSize" : 2
-    }
+    },
+    "docsToShow" : 3
   }
 }
\ No newline at end of file
diff --git a/configs/CValue.conf b/configs/CValue.conf
index fe67dda..570e218 100644
--- a/configs/CValue.conf
+++ b/configs/CValue.conf
@@ -30,6 +30,7 @@
     "feature" : {
       "jsonClass" : "CValue",
       "smoothing" : 0.1
-    }
+    },
+    "docsToShow" : 3
   }
 }
\ No newline at end of file
diff --git a/configs/ComboBasic.conf b/configs/ComboBasic.conf
index e0dcb68..5277b2e 100644
--- a/configs/ComboBasic.conf
+++ b/configs/ComboBasic.conf
@@ -31,6 +31,7 @@
       "jsonClass" : "ComboBasic",
       "longerTermsCoeff" : 0.75,
       "shorterTermsCoeff" : 0.1
-    }
+    },
+    "docsToShow" : 3
   }
 }
\ No newline at end of file
diff --git a/configs/DomainPertinence.conf b/configs/DomainPertinence.conf
index 5c5ec6f..30081c7 100644
--- a/configs/DomainPertinence.conf
+++ b/configs/DomainPertinence.conf
@@ -35,6 +35,7 @@
         "epsilon" : 1.0E-20
       },
       "notFoundTermSmoothing" : 0.1
-    }
+    },
+    "docsToShow" : 3
   }
 }
\ No newline at end of file
diff --git a/configs/KeyConceptRelatedness.conf b/configs/KeyConceptRelatedness.conf
index b1de362..cf3d2a8 100644
--- a/configs/KeyConceptRelatedness.conf
+++ b/configs/KeyConceptRelatedness.conf
@@ -65,6 +65,7 @@
           "missSimValue" : 0.0
         }
       }
-    }
+    },
+    "docsToShow" : 3
   }
 }
\ No newline at end of file
diff --git a/configs/LinkProbability.conf b/configs/LinkProbability.conf
index 6070b57..9914226 100644
--- a/configs/LinkProbability.conf
+++ b/configs/LinkProbability.conf
@@ -31,6 +31,7 @@
       "jsonClass" : "LinkProbability",
       "threshold" : 0.018,
       "fileName" : "./data/info-measure.txt"
-    }
+    },
+    "docsToShow" : 3
   }
 }
\ No newline at end of file
diff --git a/configs/NovelTopicModel.conf b/configs/NovelTopicModel.conf
index 06c3972..b252cfb 100644
--- a/configs/NovelTopicModel.conf
+++ b/configs/NovelTopicModel.conf
@@ -44,6 +44,7 @@
       "rareWordsThreshold" : 1,
       "randomSeed" : 13,
       "topWordsForTopic" : 200
-    }
+    },
+    "docsToShow" : 3
   }
 }
\ No newline at end of file
diff --git a/configs/PU.conf b/configs/PU.conf
index f62fdb1..9f9a3fe 100644
--- a/configs/PU.conf
+++ b/configs/PU.conf
@@ -136,6 +136,7 @@
         "regParam" : 1.0E-8,
         "elasticNetParam" : 0.0
       }
-    }
+    },
+    "docsToShow" : 3
   }
 }
\ No newline at end of file
diff --git a/configs/PostRankDC.conf b/configs/PostRankDC.conf
index 519851c..70e1126 100644
--- a/configs/PostRankDC.conf
+++ b/configs/PostRankDC.conf
@@ -58,6 +58,7 @@
           "positive" : false
         }
       }
-    }
+    },
+    "docsToShow" : 3
   }
 }
\ No newline at end of file
diff --git a/configs/Relevance.conf b/configs/Relevance.conf
index 5b66fab..8eecf81 100644
--- a/configs/Relevance.conf
+++ b/configs/Relevance.conf
@@ -34,6 +34,7 @@
         "fileName" : "./data/COHA_term_occurrences.txt",
         "epsilon" : 1.0E-20
       }
-    }
+    },
+    "docsToShow" : 3
   }
 }
\ No newline at end of file
diff --git a/configs/ResidualIDF.conf b/configs/ResidualIDF.conf
index 8e3506f..0469f80 100644
--- a/configs/ResidualIDF.conf
+++ b/configs/ResidualIDF.conf
@@ -29,6 +29,7 @@
     "jsonClass" : "OneFeatureTCWeighterConfig",
     "feature" : {
       "jsonClass" : "ResidualIDF"
-    }
+    },
+    "docsToShow" : 3
   }
 }
\ No newline at end of file
diff --git a/configs/TotalTFIDF.conf b/configs/TotalTFIDF.conf
index c77d3fb..6ece4dc 100644
--- a/configs/TotalTFIDF.conf
+++ b/configs/TotalTFIDF.conf
@@ -29,6 +29,7 @@
     "jsonClass" : "OneFeatureTCWeighterConfig",
     "feature" : {
       "jsonClass" : "TotalTFIDF"
-    }
+    },
+    "docsToShow" : 3
   }
 }
\ No newline at end of file
diff --git a/configs/Voting.conf b/configs/Voting.conf
index 4b59107..77d52af 100644
--- a/configs/Voting.conf
+++ b/configs/Voting.conf
@@ -119,6 +119,7 @@
           "missSimValue" : 0.0
         }
       }
-    } ]
+    } ],
+    "docsToShow" : 3
   }
 }
\ No newline at end of file
diff --git a/configs/Weirdness.conf b/configs/Weirdness.conf
index cfe6503..556caaa 100644
--- a/configs/Weirdness.conf
+++ b/configs/Weirdness.conf
@@ -34,6 +34,7 @@
         "fileName" : "./data/COHA_term_occurrences.txt",
         "epsilon" : 0.001
       }
-    }
+    },
+    "docsToShow" : 3
   }
 }
\ No newline at end of file
diff --git a/configs/cached4acl2/AvgTermFrequency.conf b/configs/cached4acl2/AvgTermFrequency.conf
index 82f156a..3418aa6 100644
--- a/configs/cached4acl2/AvgTermFrequency.conf
+++ b/configs/cached4acl2/AvgTermFrequency.conf
@@ -142,6 +142,7 @@
         "jsonClass" : "AvgTermFrequency"
       },
       "cacheDirName" : "features/"
-    }
+    },
+    "docsToShow" : 3
   }
 }
\ No newline at end of file
diff --git a/configs/cached4acl2/Basic.conf b/configs/cached4acl2/Basic.conf
index 724eb23..65e2185 100644
--- a/configs/cached4acl2/Basic.conf
+++ b/configs/cached4acl2/Basic.conf
@@ -144,6 +144,7 @@
         "minSubTermSize" : 2
       },
       "cacheDirName" : "features/"
-    }
+    },
+    "docsToShow" : 3
   }
 }
\ No newline at end of file
diff --git a/configs/cached4acl2/CValue.conf b/configs/cached4acl2/CValue.conf
index 7ab05a8..490d8b3 100644
--- a/configs/cached4acl2/CValue.conf
+++ b/configs/cached4acl2/CValue.conf
@@ -143,6 +143,7 @@
         "smoothing" : 0.1
       },
       "cacheDirName" : "features/"
-    }
+    },
+    "docsToShow" : 3
   }
 }
\ No newline at end of file
diff --git a/configs/cached4acl2/ComboBasic.conf b/configs/cached4acl2/ComboBasic.conf
index f561cd3..4108eca 100644
--- a/configs/cached4acl2/ComboBasic.conf
+++ b/configs/cached4acl2/ComboBasic.conf
@@ -144,6 +144,7 @@
         "shorterTermsCoeff" : 0.1
       },
       "cacheDirName" : "features/"
-    }
+    },
+    "docsToShow" : 3
   }
 }
\ No newline at end of file
diff --git a/configs/cached4acl2/DomainPertinence.conf b/configs/cached4acl2/DomainPertinence.conf
index 8c274dc..320222c 100644
--- a/configs/cached4acl2/DomainPertinence.conf
+++ b/configs/cached4acl2/DomainPertinence.conf
@@ -148,6 +148,7 @@
         "notFoundTermSmoothing" : 0.1
       },
       "cacheDirName" : "features/"
-    }
+    },
+    "docsToShow" : 3
   }
 }
\ No newline at end of file
diff --git a/configs/cached4acl2/KeyConceptRelatedness.conf b/configs/cached4acl2/KeyConceptRelatedness.conf
index c43864d..5eccab3 100644
--- a/configs/cached4acl2/KeyConceptRelatedness.conf
+++ b/configs/cached4acl2/KeyConceptRelatedness.conf
@@ -178,6 +178,7 @@
         }
       },
       "cacheDirName" : "features/"
-    }
+    },
+    "docsToShow" : 3
   }
 }
\ No newline at end of file
diff --git a/configs/cached4acl2/LinkProbability.conf b/configs/cached4acl2/LinkProbability.conf
index 89f363b..947d770 100644
--- a/configs/cached4acl2/LinkProbability.conf
+++ b/configs/cached4acl2/LinkProbability.conf
@@ -144,6 +144,7 @@
         "fileName" : "./data/info-measure.txt"
       },
       "cacheDirName" : "features/"
-    }
+    },
+    "docsToShow" : 3
   }
 }
\ No newline at end of file
diff --git a/configs/cached4acl2/NovelTopicModel.conf b/configs/cached4acl2/NovelTopicModel.conf
index 1e75395..b671e40 100644
--- a/configs/cached4acl2/NovelTopicModel.conf
+++ b/configs/cached4acl2/NovelTopicModel.conf
@@ -157,6 +157,7 @@
         "topWordsForTopic" : 200
       },
       "cacheDirName" : "features/"
-    }
+    },
+    "docsToShow" : 3
   }
 }
\ No newline at end of file
diff --git a/configs/cached4acl2/PU.conf b/configs/cached4acl2/PU.conf
index 497c15f..c2a75a9 100644
--- a/configs/cached4acl2/PU.conf
+++ b/configs/cached4acl2/PU.conf
@@ -624,6 +624,7 @@
         "regParam" : 1.0E-8,
         "elasticNetParam" : 0.0
       }
-    }
+    },
+    "docsToShow" : 3
   }
 }
\ No newline at end of file
diff --git a/configs/cached4acl2/PostRankDC.conf b/configs/cached4acl2/PostRankDC.conf
index 2a47400..2908435 100644
--- a/configs/cached4acl2/PostRankDC.conf
+++ b/configs/cached4acl2/PostRankDC.conf
@@ -171,6 +171,7 @@
         }
       },
       "cacheDirName" : "features/"
-    }
+    },
+    "docsToShow" : 3
   }
 }
\ No newline at end of file
diff --git a/configs/cached4acl2/Relevance.conf b/configs/cached4acl2/Relevance.conf
index ca94e95..1dd697f 100644
--- a/configs/cached4acl2/Relevance.conf
+++ b/configs/cached4acl2/Relevance.conf
@@ -147,6 +147,7 @@
         }
       },
       "cacheDirName" : "features/"
-    }
+    },
+    "docsToShow" : 3
   }
 }
\ No newline at end of file
diff --git a/configs/cached4acl2/ResidualIDF.conf b/configs/cached4acl2/ResidualIDF.conf
index 0b89de0..7e873fd 100644
--- a/configs/cached4acl2/ResidualIDF.conf
+++ b/configs/cached4acl2/ResidualIDF.conf
@@ -142,6 +142,7 @@
         "jsonClass" : "ResidualIDF"
       },
       "cacheDirName" : "features/"
-    }
+    },
+    "docsToShow" : 3
   }
 }
\ No newline at end of file
diff --git a/configs/cached4acl2/TotalTFIDF.conf b/configs/cached4acl2/TotalTFIDF.conf
index 380b347..15ddefe 100644
--- a/configs/cached4acl2/TotalTFIDF.conf
+++ b/configs/cached4acl2/TotalTFIDF.conf
@@ -142,6 +142,7 @@
         "jsonClass" : "TotalTFIDF"
       },
       "cacheDirName" : "features/"
-    }
+    },
+    "docsToShow" : 3
   }
 }
\ No newline at end of file
diff --git a/configs/cached4acl2/Voting.conf b/configs/cached4acl2/Voting.conf
index cbfb337..a3d50ba 100644
--- a/configs/cached4acl2/Voting.conf
+++ b/configs/cached4acl2/Voting.conf
@@ -607,6 +607,7 @@
         }
       },
       "cacheDirName" : "features/"
-    } ]
+    } ],
+    "docsToShow" : 3
   }
 }
\ No newline at end of file
diff --git a/configs/cached4acl2/Weirdness.conf b/configs/cached4acl2/Weirdness.conf
index b7e7a70..d180d3e 100644
--- a/configs/cached4acl2/Weirdness.conf
+++ b/configs/cached4acl2/Weirdness.conf
@@ -147,6 +147,7 @@
         }
       },
       "cacheDirName" : "features/"
-    }
+    },
+    "docsToShow" : 3
   }
 }
\ No newline at end of file
diff --git a/src/main/scala/ru/ispras/atr/datamodel/TermCandidate.scala b/src/main/scala/ru/ispras/atr/datamodel/TermCandidate.scala
index d83a9b0..d3faf16 100644
--- a/src/main/scala/ru/ispras/atr/datamodel/TermCandidate.scala
+++ b/src/main/scala/ru/ispras/atr/datamodel/TermCandidate.scala
@@ -9,7 +9,21 @@ case class TermCandidate(occurrences: Seq[TermOccurrence]) {
 
   def lemmas = occurrences.head.lemmas
 
-  def canonicalRepr = TermOccurrence.canonicalRepresentation(occurrences.head)
+  def canonicalRepr: String = TermOccurrence.canonicalRepresentation(occurrences.head)
+
+  def verboseRepr(docsToShow: Int): String = {
+    canonicalRepr + (if (docsToShow < 1) {
+      ""
+    } else {
+      val docNames: Seq[String] = occurrences.map(_.docName).distinct
+      val docNamesStr = docNames.slice(0, docsToShow).mkString(",") + (if (docNames.size > docsToShow) {
+        "..."
+      } else {
+        ""
+      })
+      s" [$docNamesStr]"
+    })
+  }
 
   def lengthInWords: Int = occurrences.head.lemmas.size
 }
diff --git a/src/main/scala/ru/ispras/atr/rank/OneFeatureTCWeighter.scala b/src/main/scala/ru/ispras/atr/rank/OneFeatureTCWeighter.scala
index 3c2725b..f1df7e2 100644
--- a/src/main/scala/ru/ispras/atr/rank/OneFeatureTCWeighter.scala
+++ b/src/main/scala/ru/ispras/atr/rank/OneFeatureTCWeighter.scala
@@ -7,7 +7,7 @@ import ru.ispras.atr.features.keyrel.{KeyConceptRelatedness, KeyConceptRelatedne
 /**
   * Simply ranks by the specified feature.
   */
-class OneFeatureTCWeighter(feature: FeatureConfig) extends TermCandidatesWeighter {
+class OneFeatureTCWeighter(feature: FeatureConfig, docsToShow: Int) extends TermCandidatesWeighter {
 
   def weightAndSort(candidates: Seq[TermCandidate], dataset: DSDataset): Iterable[(String, Double)] = {
     log.info(s"Initializing feature ${feature.id}...")
@@ -17,11 +17,11 @@ class OneFeatureTCWeighter(feature: FeatureConfig) extends TermCandidatesWeighte
     //hack for computing number of candidates occurring in Wikipedia as concepts
 //    val keyRel = featureComputer.asInstanceOf[KeyConceptRelatednessFC]
 //    log.debug(s"hits: ${keyRel.word2VecAdapter.hits}; misses: ${keyRel.word2VecAdapter.misses}")
-    val res: Seq[(String, Double)] = candidates.map(_.canonicalRepr).zip(featureVals).sortBy(-_._2)
+    val res: Seq[(String, Double)] = candidates.map(_.verboseRepr(docsToShow)).zip(featureVals).sortBy(-_._2)
     res
   }
 }
 
-case class OneFeatureTCWeighterConfig(feature: FeatureConfig) extends TermCandidatesWeighterConfig {
-  override def build(): TermCandidatesWeighter = new OneFeatureTCWeighter(feature)
+case class OneFeatureTCWeighterConfig(feature: FeatureConfig, docsToShow: Int = 3) extends TermCandidatesWeighterConfig {
+  override def build(): TermCandidatesWeighter = new OneFeatureTCWeighter(feature, docsToShow)
 }
diff --git a/src/main/scala/ru/ispras/atr/rank/PUTCWeighter.scala b/src/main/scala/ru/ispras/atr/rank/PUTCWeighter.scala
index c7124e6..c203b5b 100644
--- a/src/main/scala/ru/ispras/atr/rank/PUTCWeighter.scala
+++ b/src/main/scala/ru/ispras/atr/rank/PUTCWeighter.scala
@@ -27,11 +27,13 @@ import scala.collection.JavaConversions.asScalaBuffer
   * @param seedsCount      count of positives to be extracted
   * @param predictFeatures features for PU learning algorithm
   * @param puLearner       configuration for PU learning algorithm
+  * @param docsToShow      number of documents for term occurrences of found terms to show in the output file
   */
 class PUTCWeighter(baseFeature: FeatureConfig,
                    seedsCount: Int,
                    predictFeatures: Seq[FeatureConfig],
-                   puLearner: PositiveUnlabeledLearner) extends SparkTermCandidatesWeighter() {
+                   puLearner: PositiveUnlabeledLearner,
+                   docsToShow: Int) extends SparkTermCandidatesWeighter(docsToShow) {
 
   val termProbName = "category"
   val srcFeaturesName = "srcFeatures"
@@ -64,9 +66,11 @@ case class PUTCWeighterConfig
     (baseFeature: FeatureConfig,
      puTopCount: Int = 100,
      predictFeatures: Seq[FeatureConfig],
-     puLearnerConfig: PositiveUnlabeledLearnerConfig) extends TermCandidatesWeighterConfig {
+     puLearnerConfig: PositiveUnlabeledLearnerConfig,
+     docsToShow: Int = 3
+    ) extends TermCandidatesWeighterConfig {
   override def build(): PUTCWeighter = {
-     new PUTCWeighter(baseFeature, puTopCount, predictFeatures, puLearnerConfig.build())
+     new PUTCWeighter(baseFeature, puTopCount, predictFeatures, puLearnerConfig.build(), docsToShow)
   }
 }
 
diff --git a/src/main/scala/ru/ispras/atr/rank/SparkOneFeatureTCWeighter.scala b/src/main/scala/ru/ispras/atr/rank/SparkOneFeatureTCWeighter.scala
index 814bea9..98285ae 100644
--- a/src/main/scala/ru/ispras/atr/rank/SparkOneFeatureTCWeighter.scala
+++ b/src/main/scala/ru/ispras/atr/rank/SparkOneFeatureTCWeighter.scala
@@ -8,7 +8,7 @@ import ru.ispras.atr.features.FeatureConfig
   *
   * Note that it uses Spark, so initialization may take about 30 seconds.
   */
-class SparkOneFeatureTCWeighter(feature: FeatureConfig) extends SparkTermCandidatesWeighter(){
+class SparkOneFeatureTCWeighter(feature: FeatureConfig, docsToShow: Int) extends SparkTermCandidatesWeighter(docsToShow){
 
   override def id: String = feature.id
 
@@ -18,6 +18,7 @@ class SparkOneFeatureTCWeighter(feature: FeatureConfig) extends SparkTermCandida
   override def weight(df: DataFrame): DataFrame = df
 }
 
-case class SparkOneFeatureTCWeighterConfig(feature: FeatureConfig) extends TermCandidatesWeighterConfig {
-  override def build(): TermCandidatesWeighter = new SparkOneFeatureTCWeighter(feature)
+case class SparkOneFeatureTCWeighterConfig(feature: FeatureConfig,
+                                           docsToShow: Int = 3) extends TermCandidatesWeighterConfig {
+  override def build(): TermCandidatesWeighter = new SparkOneFeatureTCWeighter(feature, docsToShow)
 }
\ No newline at end of file
diff --git a/src/main/scala/ru/ispras/atr/rank/SparkTermCandidatesWeighter.scala b/src/main/scala/ru/ispras/atr/rank/SparkTermCandidatesWeighter.scala
index 46798a1..387d2f9 100644
--- a/src/main/scala/ru/ispras/atr/rank/SparkTermCandidatesWeighter.scala
+++ b/src/main/scala/ru/ispras/atr/rank/SparkTermCandidatesWeighter.scala
@@ -13,7 +13,7 @@ import ru.ispras.atr.features.FeatureConfig
   * Creates Spark Dataframe for term candidates and their scores (feature values),
   * then appends new column containing estimation of term probability for each candidate
   */
-abstract class SparkTermCandidatesWeighter() extends TermCandidatesWeighter {
+abstract class SparkTermCandidatesWeighter(docsToShow:Int) extends TermCandidatesWeighter {
   val termDFName = "Term"
 
   def allFeatures: Seq[FeatureConfig]
@@ -41,7 +41,7 @@ abstract class SparkTermCandidatesWeighter() extends TermCandidatesWeighter {
 
   def weightAndSort(candidates: Seq[TermCandidate], dataset: DSDataset): Iterable[(String, Double)] = {
     val featureValues = convert2FeatureSpace(candidates, dataset)
-    val initDF = convertToDF(candidates.map(_.canonicalRepr), allFeatures.map(_.id), featureValues)
+    val initDF = convertToDF(candidates.map(_.verboseRepr(docsToShow)), allFeatures.map(_.id), featureValues)
     val weightedDF = weight(initDF)
     val termNamesDF = weightedDF.select(termDFName,id).sort(desc(id))
     val weightColId: String = id //for serialization
diff --git a/src/main/scala/ru/ispras/atr/rank/VotingTCWeighter.scala b/src/main/scala/ru/ispras/atr/rank/VotingTCWeighter.scala
index 40012d3..f76bce1 100644
--- a/src/main/scala/ru/ispras/atr/rank/VotingTCWeighter.scala
+++ b/src/main/scala/ru/ispras/atr/rank/VotingTCWeighter.scala
@@ -15,7 +15,7 @@ import scala.collection.JavaConversions.asScalaBuffer
   *   Zhang, Z., Iria, J., Brewster, C., & Ciravegna, F. (2008, May).
   *   A comparative evaluation of term recognition algorithms. In LREC.
   */
-class VotingTCWeighter(features: Seq[FeatureConfig]) extends SparkTermCandidatesWeighter() {
+class VotingTCWeighter(features: Seq[FeatureConfig], docsToShow: Int) extends SparkTermCandidatesWeighter(docsToShow) {
 
   override def allFeatures: Seq[FeatureConfig] = features
   /**
@@ -51,8 +51,8 @@ object VotingTCWeighter {
   val inverseUDF = udf(inverse(_:Double))
 }
 
-case class VotingTCWeighterConfig(features: Seq[FeatureConfig]) extends TermCandidatesWeighterConfig {
-  override def build(): TermCandidatesWeighter = new VotingTCWeighter(features)
+case class VotingTCWeighterConfig(features: Seq[FeatureConfig], docsToShow: Int = 3) extends TermCandidatesWeighterConfig {
+  override def build(): TermCandidatesWeighter = new VotingTCWeighter(features, docsToShow)
 }
 
 object VotingTCWeighterConfig {