C

• [+] Citation indices (1 C, 7 P)

D

• [+] Data management (28 C, 296 P)
• [+] Digital libraries (14 C, 73 P)

E

• [+] Electronic documents (8 C, 23 P)

S

• [+] Searching (5 C, 39 P)
• [+] Sound production technology (4 C, 62 P)

S cont.

• [+] String similarity measures (8 P)

• Information retrieval

*

• Information retrieval applications
• Discounted cumulative gain

3

• 30 Digits

A

• Adversarial information retrieval
• Anchor text
• Audio mining

B

• BASE (search engine)
• Bioinformatic Harvester

C

• ChemRefer
• Clairlib
• Cognitive models of information retrieval
• Collaborative filtering
• Collaborative search engine
• Communication engine
• Compound term processing
• Concept Search
• Concept Searching Limited
• Cosine similarity
• Coveo
• Cranfield Experiments
• Cross-language information retrieval

D

• Datanet
• Dice's coefficient
• Divergence-from-randomness model
• Document clustering
• Document retrieval
• DtSearch Corp.
• Dynatext

E

• EXCLAIM
• Enterprise search
• List of enterprise search vendors
• European Conference on Information Retrieval
• European Summer School in Information Retrieval
• Expertise finding
• Exploratory search
• Extended Boolean model

F

• Faceted search
• Federated search
• Figaro Systems

F cont.

• Fisher kernel
• Full text search

G

• GLIMPSE
• Gain (information retrieval)
• Globrix

H

• Harshness
• Harvester42
• Human–computer information retrieval

I

• IFACnet
• IR evaluation
• Index (search engine)
• Index term
• Information Retrieval Facility
• Information Retrieval Specialist Group
• Information needs
• Instant indexing
• Isearch

J

• Jumper 2.0

K

• Key Word in Context
• Knowledge tags

L

• Latent semantic indexing
• Latent semantic analysis
• Latent semantic mapping
• Learning to rank
• Legal information retrieval

M

• MAREC
• MEDLARS
• Matthews correlation coefficient
• Mean reciprocal rank
• Mooers' Law
• Multi-document summarization
• Music information retrieval

N

• National Centre for Text Mining
• Nearest neighbor search
• Negative search
• Noisy text analytics

O

• Open domain
• Ordered Weighted Averaging (OWA) Aggregation Operators
• Overlap coefficient

P

• Poison words

P cont.

• Policy framework
• Poliqarp
• Precision and recall
• Proximity search (text)

Q

• Query by humming
• Query expansion
• Question answering

R

• Relevance (information retrieval)
• Relevance feedback
• Rocchio Classification

S

• SMART Information Retrieval System
• Scientific data archiving
• Search engine (computing)
• Search engine technology
• Search suggest drop-down list
• Search-based application
• Semantic technology
• SimRank
• User:Sonicat/Extended Boolean model
• Statistical semantics
• Stemming
• Stop words
• Subject indexing
• Subsetting

T

• Tag (metadata)
• Taganode Local Search Engine
• TeLQAS
• Term Discrimination
• Text Retrieval Conference
• Tf–idf

U

• URL redirection

V

• Vector space model

W

• Web query classification
• Web search engine
• Web harvesting
• Web search query

X

• XML-Retrieval

Z

• ZyLAB Technologies