Main Page | Namespace List | Class Hierarchy | Class List | File List | Namespace Members | Class Members | File Members | Related Pages

lemur::retrieval Namespace Reference

document retrieval components. More...


Classes

class  AbsoluteDiscountDocModel
 Absolute discout smoothing. More...

class  AndQnode
 Implements the AND query operator. Evaluates to the product of the max of the default score and the score of each of its child nodes. More...

class  ArrayAccumulator
 Array Score Accumulator. More...

class  ArrayQueryRep
 Representation of a query with a double array. More...

class  BandNotQnode
 Implements the BANDNOT query operator. This is the Boolean AND NOT operator. Evaluates to the score of its first child node if the score of its second child is less than or equal to the default score, otherwise 0. More...

class  BandQnode
 Implements the BAND query operator. This is the Boolean AND operator. Evaluates to the product of the scores of its child nodes if all of their scores exceed the default score, otherwise 0. More...

class  BeliefNode
 Parent class for all belief operators. More...

class  CORIDocRep
class  CORIQueryRep
class  CORIRetMethod
class  CORIScoreFunc
class  CosSimDocRep
 Representation of a doc (as a weighted vector) in the CosSim method. More...

class  CosSimQueryRep
 Representation of a query (as a weighted vector) in the CosSim method. More...

class  CosSimRetMethod
 Cosine similarity retrieval method. More...

class  CosSimScoreFunc
 The ScoreFunction for the CosSim method. More...

class  DirichletPriorDocModel
 Bayesian smoothing with Dirichlet prior. More...

class  FiltRejQnode
 Implements the FILREJ query operator. This is the FILTER REJECT operator. Evaluates to the score of its first child node if the score of its second child is less than or equal to the default score, otherwise the default score. More...

class  FiltReqQnode
 Implements the FILREQ query operator. This is the FILTER REQUIRE operator. Evaluates to the score of its first child node if the scores of both children are greater than the default score, otherwise the default score. More...

class  IndriQueryModel
 Query model representation for the indri query language. More...

class  IndriRetMethod
 Indri structured query language retrieval method. More...

class  InQueryRep
 Representation of a query in the InQuery method. More...

class  InQueryRetMethod
 The InQuery retrieval method for structured queries. More...

class  JelinekMercerDocModel
 Jelinek-Mercer interpolation. More...

class  MaxQnode
 Implements the MAX query operator. Evaluates to the maximum of the scores of its child nodes and the default score. More...

class  NotQnode
 Implements the NOT query operator. Evaluates to the 1 - the score of its child node. More...

class  OdnQNode
 Implements the ODN operator. This is the ORDERED WINDOW operator. Evaluates to the proximityScore of the document. More...

class  OkapiDocRep
 Doc representation for Okapi model. More...

class  OkapiQueryRep
 OkapiQueryRep carries an array to store the count of relevant docs with a term. More...

class  OkapiQueryTerm
 Represent of a query term in Okapi retrieval model, the term carries a count of the number of rel docs with the term. More...

class  OkapiRetMethod
 The Okapi BM25 retrieval function, as described in their TREC-3 paper. More...

class  OkapiScoreFunc
 The Okapi scoring function. More...

class  OrQnode
 Implements the OR query operator. Evaluates to the 1 - the product of (1 - score) for each of its child nodes whose score is greater than the default score. More...

class  PassageQNode
 Implements the PASSAGEN operator. More...

class  PassageRep
 Passage representation for a document. More...

class  PassageRep::iterator
 Replace with STL style iterator. iterator over passages. More...

struct  PassageScore
 Score of a passage, with start and end indices. More...

class  PassageScoreVector
 Vector of passage scores, supports sorting. More...

class  PassageScoreVector::PassageScoreDescending
class  PropQNode
 Implements the PROP operator. This implementation uses #0 to model #prop(field proxnode). Implementation and inheritance may change. More...

class  ProxInfo
 Proximity information for a term within a document. More...

class  ProxNode
 Parent class for all prox operators. More...

class  QnList
 List of query nodes which constitute the one level of a structured query parse tree. More...

class  QueryNode
 Base class for all structured query operators. More...

class  SimpleKLDocModel
 Doc representation for simple KL divergence retrieval model. More...

class  SimpleKLQueryModel
 Query model representation for the simple KL divergence model. More...

class  SimpleKLRetMethod
 KL Divergence retrieval model with simple document model smoothing. More...

class  SimpleKLScoreFunc
 Simple KL-divergence scoring function. More...

class  StructQryDocRep
 Representation of a document for structured query retrieval method. Provides support for passage level operations on a document. More...

class  StructQueryRep
 Structured query representation. More...

class  SumQnode
 Implements the SUM query operator. Evaluates to the average of the scores of its child nodes. More...

class  SynQNode
 Implements the SYN operator. Evaluates to the proximityScore for the conflated child terms within the document. More...

class  TermQnode
 Implements a term query node (leaf). More...

class  TFIDFDocRep
 Representation of a doc (as a weighted vector) in the TFIDF method. More...

class  TFIDFQueryRep
 Representation of a query (as a weighted vector) in the TFIDF method. More...

class  TFIDFRetMethod
 The TFIDF retrieval method with a few TF formula options. More...

class  TwoStageDocModel
 Two stage smoothing : JM + DirichletPrior. More...

class  UwnQNode
 Implements the UWN operator. This is the UNORDERED WINDOW operator. Evaluates to the proximityScore of the document. More...

class  WsumQnode
 Implements the WSUM query operator. Evaluates to the average of the weighted scores of its child nodes. More...

class  XLingDocModel
 Doc representation for cross lingual retrieval model. More...

class  XLingQueryModel
 Query model representation for the cross lingual retrieval model. More...

class  XLingRetMethod
 Cross lingual retrieval method. More...

class  XLQueryTerm
 Query term for cross-lingual retrieval queries. More...


Detailed Description

document retrieval components.
Generated on Tue Jun 15 11:03:06 2010 for Lemur by doxygen 1.3.4