예제 #1
0
파일: cncom.cpp 프로젝트: Aleyasen/Alaki
// get the node ids in 1-connected components 
void Get1CnCom(const PUNGraph& Graph, TCnComV& Cn1ComV) {
  //TCnCom::GetWccCnt(Graph, SzCntV);  IAssertR(SzCntV.Len() == 1, "Graph is not connected.");
  TIntPrV EdgeV;
  GetEdgeBridges(Graph, EdgeV);
  if (EdgeV.Empty()) { Cn1ComV.Clr(false); return; }
  PUNGraph TmpG = TUNGraph::New();
  *TmpG = *Graph;
  for (int e = 0; e < EdgeV.Len(); e++) {
    TmpG->DelEdge(EdgeV[e].Val1, EdgeV[e].Val2);  }
  TCnComV CnComV;  GetWccs(TmpG, CnComV);
  IAssert(CnComV.Len() >= 2);
  const TIntV& MxWcc = CnComV[0].NIdV;
  TIntSet MxCcSet(MxWcc.Len());
  for (int i = 0; i < MxWcc.Len(); i++) { 
    MxCcSet.AddKey(MxWcc[i]); }
  // create new graph: bridges not touching MxCc of G with no bridges
  for (int e = 0; e < EdgeV.Len(); e++) {
    if (! MxCcSet.IsKey(EdgeV[e].Val1) &&  ! MxCcSet.IsKey(EdgeV[e].Val2)) {
      TmpG->AddEdge(EdgeV[e].Val1, EdgeV[e].Val2); }
  }
  GetWccs(TmpG, Cn1ComV);
  // remove the largest component of G
  for (int c = 0; c < Cn1ComV.Len(); c++) {
    if (MxCcSet.IsKey(Cn1ComV[c].NIdV[0])) {
      Cn1ComV.Del(c);  break; }
  }
}
예제 #2
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void TSubGraphsEnum::RecurBfs1(const int& NId, const int& Depth) {
  if (Depth == 0) {
    TIntPrV EdgeV;
    EdgeH.GetKeyV(EdgeV);
    EdgeV.Sort();
    SgV.Add(EdgeV);
    return;
  }
  const TNGraph::TNodeI NI = NGraph ->GetNI(NId);
  for (int e = 0; e < NI.GetOutDeg(); e++) {
    const TIntPr Edge(NId, NI.GetOutNId(e));
    if (! EdgeH.IsKey(Edge)) {
      EdgeH.AddKey(Edge);
      RecurBfs1(NI.GetOutNId(e), Depth-1);
      EdgeH.DelKey(Edge);
    }
  }
  for (int e = 0; e < NI.GetInDeg(); e++) {
    const TIntPr Edge(NI.GetInNId(e), NId);
    if (! EdgeH.IsKey(Edge)) {
      EdgeH.AddKey(Edge);
      RecurBfs1(NI.GetInNId(e), Depth-1);
      EdgeH.DelKey(Edge);
    }
  }
}
예제 #3
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TFfGGen::TStopReason TUndirFFire::AddNodes(const int& GraphNodes, const bool& FloodStop) {
	printf("\n***Undirected GEO ForestFire: graph(%d,%d) add %d nodes, burn prob %.3f\n",
		Graph->GetNodes(), Graph->GetEdges(), GraphNodes, BurnProb);
	TExeTm ExeTm;
	int Burned1 = 0, Burned2 = 0, Burned3 = 0; // last 3 fire sizes
	TIntPrV NodesEdgesV;
	// create initial set of nodes
	if (Graph.Empty()) { Graph = PUNGraph::New(); }
	if (Graph->GetNodes() == 0) { Graph->AddNode(); }
	int NEdges = Graph->GetEdges();
	// forest fire
	for (int NNodes = Graph->GetNodes() + 1; NNodes <= GraphNodes; NNodes++) {
		const int NewNId = Graph->AddNode(-1);
		IAssert(NewNId == Graph->GetNodes() - 1); // node ids have to be 0...N
		const int StartNId = Rnd.GetUniDevInt(NewNId);
		const int NBurned = BurnGeoFire(StartNId);
		// add edges to burned nodes
		for (int e = 0; e < NBurned; e++) {
			Graph->AddEdge(NewNId, GetBurnedNId(e));
		}
		NEdges += NBurned;
		Burned1 = Burned2;  Burned2 = Burned3;  Burned3 = NBurned;
		if (NNodes % Kilo(1) == 0) {
			printf("(%d, %d)    burned: [%d,%d,%d]  [%s]\n", NNodes, NEdges, Burned1, Burned2, Burned3, ExeTm.GetStr());
			NodesEdgesV.Add(TIntPr(NNodes, NEdges));
		}
		if (FloodStop && NEdges>1000 && NEdges / double(NNodes)>100.0) { // average node degree is more than 50
			printf("!!! FLOOD. G(%6d, %6d)\n", NNodes, NEdges);  return TFfGGen::srFlood;
		}
	}
	printf("\n");
	IAssert(Graph->GetEdges() == NEdges);
	return TFfGGen::srOk;
}
예제 #4
0
파일: skygrid.cpp 프로젝트: Accio/snap
void TSkyGridBs::GetLinkWgtDstEntIdPrVDiff(
 const TIntPrV& OldLinkWgtDstEntIdPrV, const TIntPrV& NewLinkWgtDstEntIdPrV,
 TIntPrV& NegDiffLinkWgtDstEntIdPrV, TIntPrV& PosDiffLinkWgtDstEntIdPrV){
  TIntIntH DstEntIdToLinkWgtH;
  // set previous-vector
  for (int WordN=0; WordN<NewLinkWgtDstEntIdPrV.Len(); WordN++){
    int LinkWgt=NewLinkWgtDstEntIdPrV[WordN].Val1;
    int DstEntId=NewLinkWgtDstEntIdPrV[WordN].Val2;
    DstEntIdToLinkWgtH.AddDat(DstEntId, LinkWgt);
  }
  // diff current-vector
  for (int WordN=0; WordN<OldLinkWgtDstEntIdPrV.Len(); WordN++){
    int LinkWgt=OldLinkWgtDstEntIdPrV[WordN].Val1;
    int DstEntId=OldLinkWgtDstEntIdPrV[WordN].Val2;
    int CurLinkWgt=DstEntIdToLinkWgtH.AddDat(DstEntId);
    DstEntIdToLinkWgtH.AddDat(DstEntId, CurLinkWgt-LinkWgt);
  }
  // extract vector
  TIntPrV _DiffLinkWgtDstEntIdPrV;
  DstEntIdToLinkWgtH.GetDatKeyPrV(_DiffLinkWgtDstEntIdPrV);
  // clean zeros
  TIntPrV DiffLinkWgtDstEntIdPrV(_DiffLinkWgtDstEntIdPrV.Len(), 0);
  for (int EntN=0; EntN<_DiffLinkWgtDstEntIdPrV.Len(); EntN++){
    int LinkWgt=_DiffLinkWgtDstEntIdPrV[EntN].Val1;
    if (LinkWgt!=0){
      DiffLinkWgtDstEntIdPrV.Add(_DiffLinkWgtDstEntIdPrV[EntN]);}
  }
  // positive-vector
  DiffLinkWgtDstEntIdPrV.Sort(true);
  NegDiffLinkWgtDstEntIdPrV=DiffLinkWgtDstEntIdPrV;
  // negative-vector
  DiffLinkWgtDstEntIdPrV.Sort(false);
  PosDiffLinkWgtDstEntIdPrV=DiffLinkWgtDstEntIdPrV;
}
예제 #5
0
void TNmObjBs::GetFqNmObjIdPrV(
 const TStr& TargetNmObjStr, TIntPrV& FqNmObjIdPrV) const {
  //printf("Searching %s ...", TargetNmObjStr.CStr());
  // get target named-object-id
  int TargetNmObjId=GetNmObjId(TargetNmObjStr);
  // collect target named-object frequencies
  TIntIntH NmObjIdToFqH;
  // traverse target named-object documents
  int NmObjDocs=GetNmObjDocs(TargetNmObjId);
  for (int NmObjDocIdN=0; NmObjDocIdN<NmObjDocs; NmObjDocIdN++){
    // get document-id
    int DocId=GetNmObjDocId(TargetNmObjId, NmObjDocIdN);
    // traverse named-object in document
    int DocNmObjs=GetDocNmObjs(DocId);
    for (int DocNmObjN=0; DocNmObjN<DocNmObjs; DocNmObjN++){
      // get named-object & frequency
      int NmObjId; int TermFq;
      GetDocNmObjId(DocId, DocNmObjN, NmObjId, TermFq);
      // increment named-object document frequency
      NmObjIdToFqH.AddDat(NmObjId)++;
    }
  }
  // get & sort frequency table
  FqNmObjIdPrV.Clr(); NmObjIdToFqH.GetDatKeyPrV(FqNmObjIdPrV);
  FqNmObjIdPrV.Sort(false);
}
예제 #6
0
파일: gnuplot.cpp 프로젝트: mkrnc/snap
int TGnuPlot::AddPlot(const TIntPrV& XYValV, const TGpSeriesTy& SeriesTy, const TStr& Label, const TStr& Style) {
  TFltKdV XYFltValV(XYValV.Len(), 0);
  for (int i = 0; i < XYValV.Len(); i++) {
    XYFltValV.Add(TFltKd(TFlt(XYValV[i].Val1), TFlt(XYValV[i].Val2)));
  }
  return AddPlot(XYFltValV, SeriesTy, Label, Style);
}
예제 #7
0
bool TRf24Radio::Set(const uint16& NodeId, const TIntPrV& ValIdValPrV) {
	Notify->OnNotifyFmt(TNotifyType::ntInfo, "Calling multiple SET for node %d ...", NodeId);

	bool Success = true;

	const int NMsgs = ceil(double(ValIdValPrV.Len()) / double(VALS_PER_PAYLOAD));
	int RemainN = ValIdValPrV.Len();
	for (int MsgN = 0; MsgN < NMsgs; MsgN++) {
		const int PayloadSize = TMath::Mn(RemainN, VALS_PER_PAYLOAD);

		TVec<TRadioValue> ValV(PayloadSize);
		for (int ValN = 0; ValN < PayloadSize; ValN++) {
			const TIntPr& ValIdValPr = ValIdValPrV[MsgN*VALS_PER_PAYLOAD + ValN];

			TRadioValue& RadioVal = ValV[ValN];
			RadioVal.SetValId((char) ValIdValPr.Val1);
			RadioVal.SetVal(ValIdValPr.Val2);
		}

		TMem Payload;	TRadioProtocol::GenSetPayload(ValV, Payload);
		Success &= Send(NodeId, REQUEST_SET, Payload);

		RemainN -= VALS_PER_PAYLOAD;
	}

	return Success;
}
예제 #8
0
 void TakeStat(const PGraph& InfG, const PGraph& NetG, const TIntH& NIdInfTmH, const double& P, const bool& DivByM=true) {
   const double M = DivByM ? InfG->GetNodes() : 1;  IAssert(M>=1);
   PGraph CcInf, CcNet; // largest connected component
   // connected components and sizes
   { TCnComV CnComV;  TSnap::GetWccs(InfG, CnComV);
   NCascInf.AddDat(P).Add(CnComV.Len()/M);
   MxSzInf.AddDat(P).Add(CnComV[0].Len()/M);
   { int a=0; for (int i=0; i<CnComV.Len(); i++) { a+=CnComV[i].Len(); }
   AvgSzInf.AddDat(P).Add(a/double(CnComV.Len()*M)); }
   CcInf = TSnap::GetSubGraph(InfG, CnComV[0].NIdV);
   TSnap::GetWccs(NetG, CnComV);
   NCascNet.AddDat(P).Add(CnComV.Len()/M);
   MxSzNet.AddDat(P).Add(CnComV[0].Len()/M);
   { int a=0; for (int i=0; i<CnComV.Len(); i++) { a+=CnComV[i].Len(); }
   AvgSzNet.AddDat(P).Add(a/double(CnComV.Len()*M)); }
   CcNet = TSnap::GetSubGraph(NetG, CnComV[0].NIdV); }
   // count isolated nodes and leaves; average in- and out-degree (skip leaves)
   { int i1=0, i2=0,l1=0,l2=0,r1=0,r2=0,ENet=0,EInf=0; double ci1=0,ci2=0,co1=0,co2=0;
   for (typename PGraph::TObj::TNodeI NI = InfG->BegNI(); NI < InfG->EndNI(); NI++) {
     if (NI.GetOutDeg()==0 && NI.GetInDeg()>0) { l1++; }
     if (NI.GetOutDeg()>0 && NI.GetInDeg()==0) { r1++; }
     if (NI.GetDeg()==0) { i1++; }  if (NI.GetInDeg()>0) { ci1+=1; }
     if (NI.GetOutDeg()>0) { co1+=1; }  EInf+=NI.GetOutDeg(); }
   for (typename PGraph::TObj::TNodeI NI = NetG->BegNI(); NI < NetG->EndNI(); NI++) {
     if (NI.GetOutDeg()==0 && NI.GetInDeg()>0) { l2++; }
     if (NI.GetOutDeg()>0 && NI.GetInDeg()==0) { r2++; }
     if (NI.GetDeg()==0) { i2++; }  if (NI.GetInDeg()>0) { ci2+=1; }
     if (NI.GetOutDeg()>0) { co2+=1; }  ENet+=NI.GetOutDeg(); }
   if(ci1>0)InDegInf.AddDat(P).Add(EInf/ci1);  if(ci2>0)InDegNet.AddDat(P).Add(ENet/ci2);
   if(co1>0)OutDegInf.AddDat(P).Add(EInf/co1); if(co2>0)OutDegNet.AddDat(P).Add(ENet/co2);
   NLfInf.AddDat(P).Add(l1/M);  NLfNet.AddDat(P).Add(l2/M);
   NRtInf.AddDat(P).Add(r1/M);  NRtNet.AddDat(P).Add(r2/M);
   NIsoInf.AddDat(P).Add(i1/M); NIsoNet.AddDat(P).Add(i2/M); }
   // cascade depth
   { const double M1 = DivByM ? CcNet->GetNodes() : 1;  IAssert(M1>=1);
   int Root=FindCascadeRoot(CcInf, NIdInfTmH);  TIntPrV HopCntV;
   TSnap::GetNodesAtHops(CcInf, Root, HopCntV, true);
   int MxN=0, Lev=0, IncL=0;
   for (int i = 0; i < HopCntV.Len(); i++) {
     if (MxN<HopCntV[i].Val2) { MxN=HopCntV[i].Val2; Lev=HopCntV[i].Val1; }
     if (i > 0 && HopCntV[i-1].Val2<=HopCntV[i].Val2) { IncL++; } }
   double D=0; int c=0; TIntH DistH;
   D = HopCntV.Last().Val1; c=1; // maximum depth
   if (c!=0 && D!=0) { D = D/c;
     DepthInf.AddDat(P).Add(D/M1); MxWidInf.AddDat(P).Add(MxN/M1);
     MxLevInf.AddDat(P).Add(Lev/D); IncLevInf.AddDat(P).Add(IncL/D);
   }
   Root=FindCascadeRoot(CcNet, NIdInfTmH);
   TSnap::GetNodesAtHops(CcNet, Root, HopCntV, true);
   MxN=0; Lev=0; IncL=0; D=0; c=0;
   for (int i = 0; i < HopCntV.Len(); i++) {
     if (MxN<HopCntV[i].Val2) { MxN=HopCntV[i].Val2; Lev=HopCntV[i].Val1; }
     if (i > 0 && HopCntV[i-1].Val2<=HopCntV[i].Val2) { IncL++; } }
   D = HopCntV.Last().Val1; c=1; // maximum depth
   if (c!=0 && D!=0) { D = D/c;
     DepthNet.AddDat(P).Add(D/M1); MxWidNet.AddDat(P).Add(MxN/M1);
     MxLevNet.AddDat(P).Add(Lev/D); IncLevNet.AddDat(P).Add(IncL/D); }
   }
 }
예제 #9
0
파일: skygrid.cpp 프로젝트: Accio/snap
/////////////////////////////////////////////////
// SkyGrid-Base
void TSkyGridBs::GetSorted_DocsEntIdPrV(TIntPrV& DocsEntIdPrV){
  TIntIntH EntIdToDocsH;
  for (int EntId=0; EntId<GetEnts(); EntId++){
    int Docs=GetEnt(EntId).GetDocIds();
    EntIdToDocsH.AddDat(EntId, Docs);
  }
  DocsEntIdPrV.Clr(); EntIdToDocsH.GetDatKeyPrV(DocsEntIdPrV);
  DocsEntIdPrV.Sort(false);
}
예제 #10
0
 double GetAvgDepthFromRoot(const PGraph& G) {
   TMom Mom;
   TIntPrV HopCntV;
   for (typename PGraph::TObj::TNodeI NI = G->BegNI(); NI < G->EndNI(); NI++) {
     if (NI.GetOutDeg()>0 && NI.GetInDeg()==0) {
       TSnap::GetNodesAtHops(G, NI.GetId(), HopCntV, true);
       Mom.Add(HopCntV.Last().Val1()); }
   }
   Mom.Def();  return Mom.GetMean();
 }
예제 #11
0
// set Language and Country for movies that do not have the value set
// for every movie find the mojority language/country in 1-hop neighborhood and set it
void TImdbNet::SetLangCntryByMajority() {
  // set language
  while (true) {
    TIntPrV NIdToVal;
    for (TNodeI NI = BegNI(); NI < EndNI(); NI++) {
      if (NI().GetLang() != 0) { continue; }
      int Nbhs=0; TIntH LangCntH;
      for (int e = 0; e < NI.GetOutDeg(); e++) {
        LangCntH.AddDat(NI.GetOutNDat(e).GetLang()) += 1;  Nbhs++; }
      for (int e = 0; e < NI.GetInDeg(); e++) {
        LangCntH.AddDat(NI.GetInNDat(e).GetLang()) += 1;  Nbhs++; }
      if (LangCntH.IsKey(0)) { Nbhs-=LangCntH.GetDat(0); LangCntH.GetDat(0)=0; }
      LangCntH.SortByDat(false);
      if (LangCntH.GetKey(0) == 0) { continue; }
      if (LangCntH[0]*2 >= Nbhs) { 
        NIdToVal.Add(TIntPr(NI.GetId(), LangCntH.GetKey(0))); }
    }
    if (NIdToVal.Empty()) { break; } // done
    for (int i = 0; i < NIdToVal.Len(); i++) {
      GetNDat(NIdToVal[i].Val1).Lang = NIdToVal[i].Val2; }
    printf("  language set: %d\n", NIdToVal.Len());
  }
  int cnt=0;
  for (TNodeI NI = BegNI(); NI < EndNI(); NI++) { if (NI().GetLang()==0) cnt++; }
  printf(" NO language: %d\n\n", cnt);
  // set country
  while (true) {
    TIntPrV NIdToVal;
    for (TNodeI NI = BegNI(); NI < EndNI(); NI++) {
      if (NI().GetCntry() != 0) { continue; }
      int Nbhs=0; TIntH CntryCntH;
      for (int e = 0; e < NI.GetOutDeg(); e++) {
        CntryCntH.AddDat(NI.GetOutNDat(e).GetCntry()) += 1;  Nbhs++; }
      for (int e = 0; e < NI.GetInDeg(); e++) {
        CntryCntH.AddDat(NI.GetInNDat(e).GetCntry()) += 1;  Nbhs++; }
      if (CntryCntH.IsKey(0)) { Nbhs-=CntryCntH.GetDat(0); CntryCntH.GetDat(0)=0; }
      CntryCntH.SortByDat(false);
      if (CntryCntH.GetKey(0) == 0) { continue; }
      if (CntryCntH[0]*2 >= Nbhs) { 
        NIdToVal.Add(TIntPr(NI.GetId(), CntryCntH.GetKey(0))); }
    }
    if (NIdToVal.Empty()) { break; } // done
    for (int i = 0; i < NIdToVal.Len(); i++) {
      GetNDat(NIdToVal[i].Val1).Cntry = NIdToVal[i].Val2; }
    printf("  country set: %d\n", NIdToVal.Len());
  }
  cnt=0;
  for (TNodeI NI = BegNI(); NI < EndNI(); NI++) { if (NI().GetCntry()==0) cnt++; }
  printf(" NO country: %d\n\n", cnt);
}
예제 #12
0
void TCycBs::_SaveTaxonomyTxt(FILE* fOut, 
 const int& Lev, TIntPrV& RelIdVIdPrV, TIntIntH& VIdToLevH){
  for (int VidN=0; VidN<RelIdVIdPrV.Len(); VidN++){
    int FromRelId=RelIdVIdPrV[VidN].Val1;
    int SrcVId=RelIdVIdPrV[VidN].Val2;
    TStr SrcVNm=GetVNm(SrcVId);
    TCycVrtx& SrcVrtx=GetVrtx(SrcVId);
    if (!SrcVrtx.IsFlag(cvfHumanOk)){continue;}
    TStr FlagStr=SrcVrtx.GetFlagStr();
    if (FromRelId==-1){
      if (Lev>0){fprintf(fOut, "===upper");} else {fprintf(fOut, "===lower");}
      fprintf(fOut, "=======================================================\n");
      fprintf(fOut, "%s - %s\n", SrcVNm.CStr(), FlagStr.CStr());
    } else {
      TStr FromRelNm=GetVNm(FromRelId);
      fprintf(fOut, "%*c[%s] --> %s\n", (Lev-1)*5, ' ', FromRelNm.CStr(), SrcVNm.CStr());
    }
    TIntPrV UpRelIdVIdPrV;
    for (int EdgeN=0; EdgeN<SrcVrtx.GetEdges(); EdgeN++){
      TCycEdge& Edge=SrcVrtx.GetEdge(EdgeN);
      int RelId=Edge.GetRelId();
      int DstVId=Edge.GetDstVId();
      TStr RelNm=GetVNm(RelId);
      TStr DstVNm=GetVNm(DstVId);
      if (Lev>0){
        // upper taxonomy
        if ((RelNm=="#$isa")||(RelNm=="#$genls")){
          if (!VIdToLevH.IsKey(DstVId)){
            VIdToLevH.AddDat(DstVId, Lev+1);
            UpRelIdVIdPrV.Add(TIntPr(RelId, DstVId));
          }
        }
      } else {
        // lower taxonomy
        if ((RelNm=="~#$isa")||(RelNm=="~#$genls")){
          if (!VIdToLevH.IsKey(DstVId)){
            VIdToLevH.AddDat(DstVId, Lev-1);
            UpRelIdVIdPrV.Add(TIntPr(RelId, DstVId));
          }
        }
      }
    } 
    // recursive call
    if (Lev>0){
      _SaveTaxonomyTxt(fOut, Lev+1, UpRelIdVIdPrV, VIdToLevH);
    } else {
      _SaveTaxonomyTxt(fOut, Lev-1, UpRelIdVIdPrV, VIdToLevH);
    }
  }
}
예제 #13
0
파일: trawling.cpp 프로젝트: Aleyasen/Alaki
TIntPrV TTrawling::PlotMinFqVsMaxSet(const TStr& OutFNm) {
  InitItemSets();
  TIntPrV SzCntH;
  SzCntH.Add(TIntPr(1, CurItemH.Len()));
  for (int ItemSetSz = 2; ItemSetSz < 100; ItemSetSz++) {
    printf("\nItemset size %d:  ", ItemSetSz);
    GetNextFqItemSets();
    if (CurItemH.Empty()) { break; }
    SzCntH.Add(TIntPr(ItemSetSz, CurItemH.Len()));
    TGnuPlot::PlotValV(SzCntH, "itemSet-"+OutFNm, TStr::Fmt("Minimum Suport = %d", MinSup),
      "Itemset size", "Number of itemsets > Minimum Support");
  }
  printf("\n\n");
  return SzCntH;
}
예제 #14
0
파일: wgtnet.cpp 프로젝트: Aleyasen/Alaki
// Wgt == -1 : take the weight of the edge in the opposite direction
void TWgtNet::AddBiDirEdges(const double& Wgt) {
  TIntPrV EdgeV;
  for (TNodeI NI = BegNI(); NI < EndNI(); NI++) {
    for (int e = 0; e < NI.GetOutDeg(); e++) { 
      if (! IsEdge(NI.GetOutNId(e), NI.GetId())) {
        EdgeV.Add(TIntPr(NI.GetOutNId(e), NI.GetId())); }
    }
  }
  for (int e = 0; e < EdgeV.Len(); e++) {
    if (Wgt != -1) {
      AddEdge(EdgeV[e].Val1, EdgeV[e].Val2, Wgt);
    } else { // edge weight in the opposite direction
      AddEdge(EdgeV[e].Val1, EdgeV[e].Val2, GetEDat(EdgeV[e].Val2, EdgeV[e].Val1));
    }
  }
}
예제 #15
0
// network cascade: add spurious edges
// for more details see "Correcting for Missing Data in Information Cascades" by E. Sadikov, M. Medina, J. Leskovec, H. Garcia-Molina. WSDM, 2011
PNGraph AddSpuriousEdges(const PUNGraph& Graph, const PNGraph& Casc, TIntH NIdTmH) {
  TIntPrV EdgeV;
  for (TNGraph::TNodeI NI = Casc->BegNI(); NI < Casc->EndNI(); NI++) {
    TUNGraph::TNodeI GNI = Graph->GetNI(NI.GetId());
    const int Tm = NIdTmH.GetDat(NI.GetId());
    for (int i=0,j=0; i < GNI.GetOutDeg(); i++) {
      const int Dst = GNI.GetOutNId(i);
      if (NIdTmH.IsKey(Dst) && Tm<NIdTmH.GetDat(Dst) && ! NI.IsNbhNId(Dst)) {
        EdgeV.Add(TIntPr(GNI.GetId(), Dst)); }
    }
  }
  PNGraph NetCasc = TNGraph::New();
  *NetCasc = *Casc;
  for (int e = 0; e < EdgeV.Len(); e++) {
    NetCasc->AddEdge(EdgeV[e].Val1, EdgeV[e].Val2); }
  return NetCasc;
}
예제 #16
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void TCycBs::SaveTaxonomyTxt(const TStr& FNm){
  TFOut FOut(FNm); FILE* fOut=FOut.GetFileId();
  for (int VId=0; VId<GetVIds(); VId++){
    printf("%d/%d (%.1f%%)\r", 1+VId, GetVIds(), 100.0*(1+VId)/GetVIds());
    //if (VId>10){break;}
    // upper taxonomy
    {int Lev=0;
    TIntIntH VIdToLevH; VIdToLevH.AddDat(VId, Lev);
    TIntPrV UpRelIdVIdPrV; UpRelIdVIdPrV.Add(TIntPr(-1, VId));
    _SaveTaxonomyTxt(fOut, Lev+1, UpRelIdVIdPrV, VIdToLevH);}
    // lower taxonomy
    {int Lev=0;
    TIntIntH VIdToLevH; VIdToLevH.AddDat(VId, Lev);
    TIntPrV UpRelIdVIdPrV; UpRelIdVIdPrV.Add(TIntPr(-1, VId));
    _SaveTaxonomyTxt(fOut, Lev-1, UpRelIdVIdPrV, VIdToLevH);}
  }
  printf("\n");
}
예제 #17
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void TGraphKey::TakeGraph(const PNGraph& Graph, TIntPrV& NodeMap) {
  TIntSet NodeIdH;
  int n = 0;
  NodeMap.Gen(Graph->GetNodes(), 0);
  for (TNGraph::TNodeI NI = Graph->BegNI(); NI < Graph->EndNI(); NI++, n++) {
    NodeIdH.AddKey(NI.GetId());
    NodeMap.Add(TIntPr(NI.GetId(), n));
  }
  Nodes = Graph->GetNodes();
  EdgeV.Gen(Nodes, 0);
  for (TNGraph::TNodeI NI = Graph->BegNI(); NI < Graph->EndNI(); NI++) {
    const int NewNId = NodeIdH.GetKeyId(NI.GetId());
    for (int i = 0; i < NI.GetOutDeg(); i++) {
      EdgeV.Add(TIntPr(NewNId, NodeIdH.GetKeyId(NI.GetOutNId(i))));
    }
  }
  EdgeV.Sort(true);
  EdgeV.Pack();
}
예제 #18
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파일: cncom.cpp 프로젝트: Aleyasen/Alaki
void GetBiConSzCnt(const PUNGraph& Graph, TIntPrV& SzCntV) {
  TCnComV BiCnComV;
  GetBiCon(Graph, BiCnComV);
  TIntH SzCntH;
  for (int c =0; c < BiCnComV.Len(); c++) {
    SzCntH.AddDat(BiCnComV[c].Len()) += 1;
  }
  SzCntH.GetKeyDatPrV(SzCntV);
  SzCntV.Sort();
}
예제 #19
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파일: phrase.cpp 프로젝트: bergloman/qminer
void TNGramBs::GetNGramStrV(
 const TStr& HtmlStr, TStrV& NGramStrV, TIntPrV& NGramBEChXPrV) const {
  TIntV NGramIdV; NGramStrV.Clr(); NGramBEChXPrV.Clr();
  TNGramBs::GetNGramIdV(HtmlStr, NGramIdV, NGramBEChXPrV);
  NGramStrV.Gen(NGramIdV.Len(), 0);
  for (int NGramIdN=0; NGramIdN<NGramIdV.Len(); NGramIdN++){
    TStr NGramStr=GetNGramStr(NGramIdV[NGramIdN]);
    NGramStrV.Add(NGramStr);
  }
}
예제 #20
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// Test GetTriadParticip
// Number of nodes with x number of triangles it participates in
TEST(triad, TestGetTriadParticip) {
  // Test TUNGraph
  PUNGraph GraphTUN = TriadGetTestTUNGraph();
  TIntPrV TriadCntV;
  TSnap::GetTriadParticip(GraphTUN, TriadCntV);
  VerifyGetTriadParticip(TriadCntV);

  // Test TNGraph which is same as undirected.
  PNGraph GraphTN = TriadGetTestTNGraph();
  TriadCntV.Clr();
  TSnap::GetTriadParticip(GraphTN, TriadCntV);
  VerifyGetTriadParticip(TriadCntV);
  
  // Test TNEGraph which is same as undirected.
  PNEGraph GraphTNE = TriadGetTestTNEGraph();
  TriadCntV.Clr();
  TSnap::GetTriadParticip(GraphTN, TriadCntV);
  VerifyGetTriadParticip(TriadCntV);
}
예제 #21
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파일: skygrid.cpp 프로젝트: Accio/snap
void TSkyGridBs::GetLinkWgtDstEntIdPrVChA(
 const TIntPrV& LinkWgtDstEntIdPrV, TChA& LinkWgtDstEntIdPrVChA){
  LinkWgtDstEntIdPrVChA.Clr();
  for (int DstEntN=0; DstEntN<LinkWgtDstEntIdPrV.Len(); DstEntN++){
    int DstEntId=LinkWgtDstEntIdPrV[DstEntN].Val2;
    TStr DstEntNm=GetEntNm(DstEntId);
    int LinkWgt=LinkWgtDstEntIdPrV[DstEntN].Val1;
    if (DstEntN>0){LinkWgtDstEntIdPrVChA+=' ';}
    LinkWgtDstEntIdPrVChA+=TStr::Fmt("['%s':%d]", DstEntNm.CStr(), LinkWgt);
  }
}
예제 #22
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파일: Stat.cpp 프로젝트: kbochenina/Snap
int GetMaxMinDeg(const PNGraph& G, const TStr& IsDir, const TStr& IsIn, const TStr& IsMax){
	TIntPrV DegCnt;
	if (IsDir == "false"){
		PUNGraph U = TSnap::ConvertGraph<PUNGraph>(G);
		if (IsIn == "true")
			TSnap::GetInDegCnt(U, DegCnt);
		else 
			TSnap::GetOutDegCnt(U, DegCnt);
	}
	else{
		if (IsIn == "true")
			TSnap::GetInDegCnt(G, DegCnt);
		else
			TSnap::GetOutDegCnt(G, DegCnt);
	}
	// sort in descending order
	DegCnt.Sort(false);
	if (IsMax == "true") return DegCnt[0].Val1;
	else return DegCnt[DegCnt.Len()-1].Val1;
}
예제 #23
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// Helper: Verify the distribution of how many triangles a node participates in
void VerifyGetTriadParticip(TIntPrV& TriadCntV) {
  for (TIntPr *Vec = TriadCntV.BegI(); Vec < TriadCntV.EndI(); Vec++) {
    switch (Vec->Val1) {
      case 0:
        EXPECT_EQ(1, Vec->Val2);
        break;
      case 1:
        EXPECT_EQ(2, Vec->Val2);
        break;
      case 2:
        EXPECT_EQ(2, Vec->Val2);
        break;
      case 3:
        EXPECT_EQ(1, Vec->Val2);
        break;
      default:
        EXPECT_FALSE(true); // Not suppose to have more than 3
        break;
    }
  }
}
예제 #24
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파일: skygrid.cpp 프로젝트: Accio/snap
void TSkyGridEnt::GetSorted_LinkWgtDstEntIdPrV(
 const uint64& MnTm, const double& TopWgtSumPrc, TIntPrV& LinkWgtDstEntIdPrV) const {
  double AllLinkWgtSum=0;
  TIntIntH DstEntIdLinkWgtH;
  int LinkEnts=GetLinkEnts();
  for (int LinkEntN=0; LinkEntN<LinkEnts; LinkEntN++){
    int DstEntId=GetLinkEntId(LinkEntN);
    int EntLinks=GetEntLinks(LinkEntN);
    int EntLinkWgtSum=0;
    for (int EntLinkN=0; EntLinkN<EntLinks; EntLinkN++){
      const TSkyGridEntLinkCtx& EntLinkCtx=GetEntLinkCtx(LinkEntN, EntLinkN);
      if (EntLinkCtx.Tm>=MnTm){
        EntLinkWgtSum+=EntLinkCtx.LinkWgt;}
    }
    DstEntIdLinkWgtH.AddDat(DstEntId, EntLinkWgtSum);
    AllLinkWgtSum+=EntLinkWgtSum;
  }
  LinkWgtDstEntIdPrV.Clr(); DstEntIdLinkWgtH.GetDatKeyPrV(LinkWgtDstEntIdPrV);
  LinkWgtDstEntIdPrV.Sort(false);
  // cut long-tail
  if ((TopWgtSumPrc>0.0)&&(LinkWgtDstEntIdPrV.Len()>0)){
    int TopLinkWgt=LinkWgtDstEntIdPrV[0].Val1;
    if (TopLinkWgt>(3*AllLinkWgtSum)/LinkWgtDstEntIdPrV.Len()){
      double CutWgtSum=AllLinkWgtSum*(1-TopWgtSumPrc);
      int LastValN=LinkWgtDstEntIdPrV.Len()-1;
      while ((LastValN>0)&&(CutWgtSum>0)){
        CutWgtSum-=LinkWgtDstEntIdPrV[LastValN].Val1;
        LastValN--;
      }
      LinkWgtDstEntIdPrV.Trunc(LastValN+1);
    }
  }
}
예제 #25
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void __fastcall TContexterF::CtxNmObjLbClick(TObject *Sender){
  TListBox* NmObjLb=CtxNmObjLb;
  // get named-object string
  if ((NmObjLb->ItemIndex<0)||(NmObjLb->Items->Count<=NmObjLb->ItemIndex)){
    return;}
  TStr LbItemStr=NmObjLb->Items->Strings[NmObjLb->ItemIndex].c_str();
  TStr FqStr; LbItemStr.SplitOnCh(State->EnRootNmObjStr, ' ', FqStr);
  // get concept-vector
  PBowSpV ConceptSpV=State->NmObjBs->GetNmObjConcept(
   State->BowDocBs, State->BowDocWgtBs, State->EnRootNmObjStr);
  TStrFltPrV WordStrWgtPrV;
  ConceptSpV->GetWordStrWgtPrV(State->BowDocBs, 100, 0.66, WordStrWgtPrV);
  // fill concept-list-box
  EnConceptWordLb->Clear();
  for (int WordN=0; WordN<WordStrWgtPrV.Len(); WordN++){
    TStr LbItemStr=WordStrWgtPrV[WordN].Val1+
     TFlt::GetStr(WordStrWgtPrV[WordN].Val2, " (%.3f)");
    EnConceptWordLb->Items->Add(LbItemStr.CStr());
  }
  // get coref-named-objects
  TIntPrV FqNmObjIdPrV;
  State->NmObjBs->GetFqNmObjIdPrV(State->EnRootNmObjStr, FqNmObjIdPrV);
  FqNmObjIdPrV.Sort(false); FqNmObjIdPrV.Trunc(100);
  // fill coref-named-objects
  EnCoNmObjLb->Clear();
  for (int NmObjN=0; NmObjN<FqNmObjIdPrV.Len(); NmObjN++){
    TStr CoNmObjStr=State->NmObjBs->GetNmObjStr(FqNmObjIdPrV[NmObjN].Val2);
    if (State->EnRootNmObjStr!=CoNmObjStr){
      TStr LbItemStr=CoNmObjStr+TInt::GetStr(FqNmObjIdPrV[NmObjN].Val1, " (%d)");
      EnCoNmObjLb->Items->Add(LbItemStr.CStr());
    }
  }
  // context-tree
  State->EnCtxTree=GetCtxTreeGraph(State->NmObjBs, State->EnRootNmObjStr, State->EnDrawLevels-1);
  EnPbPaint(Sender);
}
예제 #26
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// set actor's language and country
void TImdbNet::SetActorCntryLangByMajority() {
    // set language
  TIntPrV NIdToVal;
  for (TNodeI NI = BegNI(); NI < EndNI(); NI++) {
    if (! NI().IsActor()) { continue; }
    IAssert(NI().GetLang() == 0); // no language set
    IAssert(NI.GetInDeg() == 0);  // actors point to movies
    int Nbhs=0;  TIntH LangCntH;
    for (int e = 0; e < NI.GetOutDeg(); e++) {
      LangCntH.AddDat(NI.GetOutNDat(e).GetLang()) += 1;  Nbhs++; }
    if (LangCntH.IsKey(0)) { Nbhs-=LangCntH.GetDat(0); LangCntH.GetDat(0)=0; }
    LangCntH.SortByDat(false);
    if (LangCntH.GetKey(0) == 0) { continue; }
    if (LangCntH[0]*2 >= Nbhs) { 
      NIdToVal.Add(TIntPr(NI.GetId(), LangCntH.GetKey(0))); }
  }
  for (int i = 0; i < NIdToVal.Len(); i++) {
    GetNDat(NIdToVal[i].Val1).Lang = NIdToVal[i].Val2; }
  printf("  language set: %d\n", NIdToVal.Len());
  
  int cnt=0;
  for (TNodeI NI = BegNI(); NI < EndNI(); NI++) { if (NI().IsActor() && NI().GetLang()==0) cnt++; }
  printf("  Actors NO language: %d\n\n", cnt);
  // set country
  NIdToVal.Clr(true);
  for (TNodeI NI = BegNI(); NI < EndNI(); NI++) {
    if (! NI().IsActor()) { continue; }
    IAssert(NI().GetCntry() == 0); // no country set
    IAssert(NI.GetInDeg() == 0);   // actors point to movies
    int Nbhs=0; TIntH CntryCntH;
    for (int e = 0; e < NI.GetOutDeg(); e++) {
      CntryCntH.AddDat(NI.GetOutNDat(e).GetCntry()) += 1;  Nbhs++; }
    if (CntryCntH.IsKey(0)) { Nbhs-=CntryCntH.GetDat(0); CntryCntH.GetDat(0)=0; }
    CntryCntH.SortByDat(false);
    if (CntryCntH.GetKey(0) == 0) { continue; }
    if (CntryCntH[0]*2 >= Nbhs) { 
      NIdToVal.Add(TIntPr(NI.GetId(), CntryCntH.GetKey(0))); }
  }
  for (int i = 0; i < NIdToVal.Len(); i++) {
    GetNDat(NIdToVal[i].Val1).Cntry = NIdToVal[i].Val2; }
  printf("  country set: %d\n", NIdToVal.Len());
  cnt=0;
  for (TNodeI NI = BegNI(); NI < EndNI(); NI++) { if (NI().IsActor() && NI().GetCntry()==0) cnt++; }
  printf("  Actors NO country: %d\n\n", cnt);
}
예제 #27
0
파일: Stat.cpp 프로젝트: kbochenina/Snap
// get degrees from current and add it to degrees
void AddDegreeStat(const TFltPrV& current, TFltPrV& degrees, TIntPrV& samples){
	for (int j = 0; j < current.Len(); j++){
		const TFltPr& elem = current[j];
		const double& deg = elem.Val1.Val, &nodesCount = elem.Val2.Val;
		bool wasFound = false;
		// silly search
		for (int k = 0; k < degrees.Len(); k++){
			if (degrees[k].Val1.Val == deg){
				degrees[k].Val2.Val += nodesCount;
				samples[k].Val2.Val++;
				wasFound = true; break;
			}
		}
		if (!wasFound){
			TFlt d(deg), n(nodesCount);
			TFltPr val(d,n);
			degrees.Add(val);
			TInt di(static_cast<int>(deg));
			TIntPr valI(di, 1);
			samples.Add(valI);
		}
	}
}
예제 #28
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void TGUtil::GetPdf(const TIntPrV& CdfV, TIntPrV& PdfV) {
  PdfV = CdfV;
  for (int i = PdfV.Len()-1; i > 0; i--) {
    PdfV[i].Val2 = PdfV[i].Val2 - PdfV[i-1].Val2; }
}
예제 #29
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void TGUtil::GetCCdf(const TIntPrV& PdfV, TIntPrV& CCdfV) {
  CCdfV = PdfV;
  for (int i = CCdfV.Len()-2; i >= 0; i--) {
    CCdfV[i].Val2 = CCdfV[i+1].Val2 + CCdfV[i].Val2; }
}
예제 #30
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/////////////////////////////////////////////////
// Graph Utilities
void TGUtil::GetCdf(const TIntPrV& PdfV, TIntPrV& CdfV) {
  CdfV = PdfV;
  for (int i = 1; i < CdfV.Len(); i++) {
    CdfV[i].Val2 = CdfV[i-1].Val2 + CdfV[i].Val2; }
}