E-Librarian Service: user-friendly semantic search in digital libraries
Gespeichert in:
| Hauptverfasser: | , |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Berlin [u.a.]
Springer
2011
|
| Schriftenreihe: | X.media.publishing
|
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | XV, 212 S. Ill., graph. Darst. 235 mm x 155 mm |
| ISBN: | 9783642177422 9783642177439 9783642267758 |
Internformat
MARC
| LEADER | 00000nam a2200000 c 4500 | ||
|---|---|---|---|
| 001 | BV037202226 | ||
| 003 | DE-604 | ||
| 005 | 20140124 | ||
| 007 | t | ||
| 008 | 110202s2011 gw ad|| |||| 00||| eng d | ||
| 015 | |a 10,N46 |2 dnb | ||
| 020 | |a 9783642177422 |c Gb. : ca. EUR 53.45 (DE) (freier Pr.), ca. sfr 72.00 (freier Pr.) |9 978-3-642-17742-2 | ||
| 020 | |a 9783642177439 |c ebook |9 978-3-642-17743-9 | ||
| 020 | |a 9783642267758 |c pbk. |9 978-3-642-26775-8 | ||
| 024 | 3 | |a 9783642177422 | |
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| 100 | 1 | |a Linckels, Serge |d 1971- |e Verfasser |0 (DE-588)101333583X |4 aut | |
| 245 | 1 | 0 | |a E-Librarian Service |b user-friendly semantic search in digital libraries |c Serge Linckels ; Christoph Meinel |
| 264 | 1 | |a Berlin [u.a.] |b Springer |c 2011 | |
| 300 | |a XV, 212 S. |b Ill., graph. Darst. |c 235 mm x 155 mm | ||
| 336 | |b txt |2 rdacontent | ||
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Datensatz im Suchindex
| _version_ | 1804143791454552064 |
|---|---|
| adam_text | Contents
1
Introduction
to
Е
-Librarian Services
....................... 1
1.1
Prom Ancient to Digital Libraries
......................... 1
1.2
Prom Searching to Finding
............................... 4
1.2.1
Searching the Web
................................. 4
1.2.2
Searching Multimedia Knowledge Bases
.............. 6
1.2.3
Exploratory Search
................................ 6
1.3
Е
-Librarian Services
..................................... 7
1.3.1
Overview
......................................... 7
1.3.2
Early Question-Answering Systems
.................. 8
1.3.3
Natural Language Interface
......................... 8
1.3.4
No Library without a Librarian
..................... 9
1.3.5
Characteristics of an
Е
-Librarian Service
............. 10
1.4
Overview and Organization of the Book
.................... 11
Part I Key Technologies of
Е
-Librarian Services
2
Semantic Web and Ontologies
............................. 15
2.1
What is the Semantic Web?
.............................. 15
2.1.1
The Vision of the Semantic Web
.................... 15
2.1.2
Semantic Web vs. Web n.O
......................... 16
2.1.3
Three Principles Ruling the Semantic Web
........... 17
2.1.4
Architecture
...................................... 17
2.2
Ontologies
.............................................. 18
2.2.1
Ontology Structure
................................ 18
2.2.2
Upper- and Domain Ontologies
...................... 20
2.2.3
Linked Data
...................................... 21
2.2.4
Expressivity of Ontologies
.......................... 23
2.3
XML Extensible Markup Language
...................... 24
2.3.1
XML: Elements, Attributes and Values
............... 25
2.3.2
Namespaces and Qualified Names
................... 26
XII Contents
2.3.3 XML Schema..................................... 26
2.3.4
Complete
Example
................................ 27
2.3.5
Limitations of XML
............................... 30
2.4
RDF
-
Resource Description Framework
.................... 30
2.4.1
RDF Triples and Serialization
....................... 30
2.4.2
RDF Schema
..................................... 32
2.4.3
Complete Example
................................ 33
2.4.4
Limitations of RDF
................................ 35
2.5
OWL
1
and OWL
2 -
Web Ontology Language
.............. 36
2.5.1
Instances, Classes and Restrictions in OWL
........... 37
2.5.2
Complete Example
................................ 38
2.5.3
From OWL
1
to OWL
2............................ 40
2.5.4
SPARQL, the Query Language
...................... 41
3
Description Logics and Reasoning
......................... 43
3.1
DL
-
Description Logics
.................................. 43
3.1.1
Concept Descriptions
.............................. 43
3.1.2
DL Languages
.................................... 44
3.1.3
Equivalences between OWL and DL
................. 45
3.2
DL Knowledge Base
..................................... 46
3.2.1
Terminologies (TBox)
.............................. 46
3.2.2
World Descriptions (ABox)
......................... 48
3.3
Interpretations
.......................................... 48
3.3.1
Interpreting Individuals, Concepts, and Roles
......... 48
3.3.2
Modeling the Real World
........................... 49
3.4
Inferences
.............................................. 51
3.4.1
Standard Inferences
................................ 52
3.4.2
Non-Standard Inferences
........................... 55
4
Natural Language Processing
.............................. 61
4.1
Overview and Challenges
................................. 61
4.1.1
Syntax, Semantics and Pragmatics
................... 61
4.1.2
Difficulties of NLP
................................. 62
4.1.3
Zipf s law
........................................ 63
4.2
Dealing with Single Words
................................ 63
4.2.1
Tokenization and Tagging
.......................... 63
4.2.2
Morphology
...................................... 65
4.2.3
Building Words over an Alphabet
................... 66
4.2.4
Operations over Words
............................. 66
4.3
Semantic Knowledge Sources
.............................. 67
4.3.1
Semantic relations
................................. 67
4.3.2
Semantic resources
................................ 68
4.4
Dealing with Sentences
................................... 69
4.4.1
Phrase Types
..................................... 69
4.4.2
Phrase Structure
.................................. 70
Contents XIII
4.4.3
Grammar
........................................ 71
4.4.4
Formal languages
.................................. 72
4.4.5
Phrase structure ambiguities
........................ 72
4.4.6
Alternative parsing techniques
...................... 74
4.5
Multi-Language
......................................... 75
4.6
Semantic Interpretation
.................................. 77
Information Retrieval
...................................... 81
5.1
Retrieval Process
........................................ 81
5.2
Document Indexation and Weighting
....................... 82
5.2.1
Index of terms
.................................... 82
5.2.2
Weighting
........................................ 84
5.3
Retrieval Models
........................................ 86
5.3.1
Boolean Model
.................................... 87
5.3.2
Vector Model
..................................... 88
5.3.3
Probabilistic Model
................................ 90
5.3.4
Page Rank
....................................... 92
5.3.5
Semantic Distance
................................. 94
5.3.6
Other Models
..................................... 96
5.4
Retrieval Evaluation
..................................... 97
5.4.1
Precision, Recall, and Accuracy
..................... 97
Part II Design and Utilization of
Е
-Librarian Services
6
Ontological Approach
......................................103
6.1
Expert Systems
.........................................103
6.1.1
Classical Expert Systems
...........................103
6.1.2
Ontology-Driven Expert Systems
....................105
6.2
Towards an
Е
-Librarian Service
...........................106
6.2.1
Reasoning Capabilities of an
Е
-Librarian Service
......106
6.2.2
Deploying an Ontology
.............................107
6.2.3
Designing the Ontological Background
...............109
6.3
Semantic Annotation of the Knowledge Base
................110
6.3.1
Computer-Assisted Creation of metadata
.............
Ill
6.3.2
Automatic Generation of metadata
..................112
7
Design of the Natural Language Processing Module
.......117
7.1
Overview of the Semantic Interpretation
....................117
7.1.1
Logical Form
.....................................117
7.1.2
Processing of a User Question
.......................118
7.2
NLP Pre-Processing
.....................................119
7.2.1
Domain Language
.................................119
7.2.2
Lemmatization
....................................119
7.2.3
Handling Spelling Errors
...........................120
XIV Contents
7.3
Ontology Mapping
.......................................120
7.3.1
Domain Dictionary
................................121
7.3.2
Mapping of Words
.................................121
7.3.3
Resolving Ambiguities
.............................123
7.4
Generation of a DL-Concept Description
...................126
7.4.1
Without Syntactic Analysis
.........................126
7.4.2
With Syntactic Analysis
............................127
7.4.3
How much NLP is Sufficient?
.......................130
7.4.4
Optimization and Normal Form
.....................130
7.5
General Limitations and Constraints
.......................131
7.5.1
Role Quantifiers
...................................131
7.5.2
Conjunction and Disjunction
........................132
7.5.3
Negation
.........................................134
7.5.4
Open-Ended and Closed-Ended Questions
............135
7.5.5
Formulations
.....................................137
7.5.6
Others
...........................................138
7.6
Multiple-Language Feature
...............................139
8
Designing the Multimedia Information Retrieval Module
. . 141
8.1
Overview of the MIR Module
.............................141
8.1.1
Knowledge Base and metadata
......................141
8.1.2
Retrieval Principle
.................................143
8.1.3
The Concept Covering Problem
.....................143
8.2
Identifying Covers
.......................................145
8.3
Computing the Best Covers
...............................146
8.3.1
Miss and Rest
....................................146
8.3.2
Size of a Concept Description
.......................148
8.3.3
Best Covers
.......................................149
8.4
Ranking
................................................150
8.5
Algorithm for the Retrieval Problem
.......................151
8.6
User Feedback
..........................................152
8.6.1
Direct User Feedback
..............................153
8.6.2
Collaborative Tagging and Social Networks
...........153
8.6.3
Diversification of User Feedback
.....................154
9
Implementation
............................................155
9.1
Architecture
............................................155
9.1.1
Knowledge Layer
..................................155
9.1.2
Inference Layer
...................................156
9.1.3
Communication Layer
..............................157
9.1.4
Presentation Layer
................................157
9.2
Development Details
.....................................158
9.2.1
Processing OWL and DL in Java
....................158
9.2.2
Client Front-End with
Ajax Autocompleter...........162
9.2.3
The SOAP Web Service Interface
....................163
Contents
XV
Part
III Applications
10
Best practices
.............................................167
10.1
Computer
History Expert System (CHESt)
.................167
10.1.1
Description
.......................................167
10.1.2
Experiment
.......................................169
10.2
Mathematics Expert System (MatES)
......................170
10.2.1
Description
.......................................170
10.2.2
Benchmark Test
...................................171
10.2.3
Experiment
.......................................174
10.3
The Lecture Butler s E-Librarian Service
...................175
10.3.1
Description
.......................................175
10.3.2
Benchmark Tests
..................................176
Part IV Appendix
A XML Schema Primitive Datatypes
.........................183
В
Reasoning Algorithms
.....................................185
B.I Overview
...............................................185
B.2 Structural Subsumption
..................................185
B.2.1 Example
1........................................186
B.2.
2
Example
2........................................186
С
Brown Tag Set
............................................187
D
Part-of-Speech Taggers and Parsers
........................191
D.I
POS
Taggers
............................................191
D.2 Parsers
.................................................192
E
Probabilistic
IR
Model
....................................193
E.I Probability Theory
......................................193
E.2 Probabilistic Model
......................................194
References
.....................................................197
Index
..........................................................205
|
| any_adam_object | 1 |
| author | Linckels, Serge 1971- Meinel, Christoph 1954- |
| author_GND | (DE-588)101333583X (DE-588)120963205 |
| author_facet | Linckels, Serge 1971- Meinel, Christoph 1954- |
| author_role | aut aut |
| author_sort | Linckels, Serge 1971- |
| author_variant | s l sl c m cm |
| building | Verbundindex |
| bvnumber | BV037202226 |
| classification_rvk | AN 77300 AN 95000 AN 95100 |
| classification_tum | DAT 616f INF 191f |
| ctrlnum | (OCoLC)711803803 (DE-599)BVBBV037202226 |
| discipline | Allgemeines Informatik Bibliotheks- u. Informationswesen |
| format | Book |
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| id | DE-604.BV037202226 |
| illustrated | Illustrated |
| indexdate | 2024-07-09T22:53:16Z |
| institution | BVB |
| isbn | 9783642177422 9783642177439 9783642267758 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-021116446 |
| oclc_num | 711803803 |
| open_access_boolean | |
| owner | DE-473 DE-BY-UBG DE-11 DE-83 DE-706 DE-91G DE-BY-TUM |
| owner_facet | DE-473 DE-BY-UBG DE-11 DE-83 DE-706 DE-91G DE-BY-TUM |
| physical | XV, 212 S. Ill., graph. Darst. 235 mm x 155 mm |
| publishDate | 2011 |
| publishDateSearch | 2011 |
| publishDateSort | 2011 |
| publisher | Springer |
| record_format | marc |
| series2 | X.media.publishing |
| spelling | Linckels, Serge 1971- Verfasser (DE-588)101333583X aut E-Librarian Service user-friendly semantic search in digital libraries Serge Linckels ; Christoph Meinel Berlin [u.a.] Springer 2011 XV, 212 S. Ill., graph. Darst. 235 mm x 155 mm txt rdacontent n rdamedia nc rdacarrier X.media.publishing Semantic Web (DE-588)4688372-1 gnd rswk-swf Suchmaschine (DE-588)4423007-2 gnd rswk-swf Suchverfahren (DE-588)4132315-4 gnd rswk-swf Benutzerorientierung (DE-588)4391852-9 gnd rswk-swf Information Retrieval (DE-588)4072803-1 gnd rswk-swf Abfrageverarbeitung (DE-588)4378490-2 gnd rswk-swf Ontologie Wissensverarbeitung (DE-588)4827894-4 gnd rswk-swf Elektronische Bibliothek (DE-588)4380940-6 gnd rswk-swf Natürlichsprachiges System (DE-588)4284757-6 gnd rswk-swf Elektronische Bibliothek (DE-588)4380940-6 s Semantic Web (DE-588)4688372-1 s Suchmaschine (DE-588)4423007-2 s Information Retrieval (DE-588)4072803-1 s Ontologie Wissensverarbeitung (DE-588)4827894-4 s Natürlichsprachiges System (DE-588)4284757-6 s Abfrageverarbeitung (DE-588)4378490-2 s Benutzerorientierung (DE-588)4391852-9 s DE-604 Suchverfahren (DE-588)4132315-4 s Meinel, Christoph 1954- Verfasser (DE-588)120963205 aut Digitalisierung UB Bamberg application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=021116446&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Linckels, Serge 1971- Meinel, Christoph 1954- E-Librarian Service user-friendly semantic search in digital libraries Semantic Web (DE-588)4688372-1 gnd Suchmaschine (DE-588)4423007-2 gnd Suchverfahren (DE-588)4132315-4 gnd Benutzerorientierung (DE-588)4391852-9 gnd Information Retrieval (DE-588)4072803-1 gnd Abfrageverarbeitung (DE-588)4378490-2 gnd Ontologie Wissensverarbeitung (DE-588)4827894-4 gnd Elektronische Bibliothek (DE-588)4380940-6 gnd Natürlichsprachiges System (DE-588)4284757-6 gnd |
| subject_GND | (DE-588)4688372-1 (DE-588)4423007-2 (DE-588)4132315-4 (DE-588)4391852-9 (DE-588)4072803-1 (DE-588)4378490-2 (DE-588)4827894-4 (DE-588)4380940-6 (DE-588)4284757-6 |
| title | E-Librarian Service user-friendly semantic search in digital libraries |
| title_auth | E-Librarian Service user-friendly semantic search in digital libraries |
| title_exact_search | E-Librarian Service user-friendly semantic search in digital libraries |
| title_full | E-Librarian Service user-friendly semantic search in digital libraries Serge Linckels ; Christoph Meinel |
| title_fullStr | E-Librarian Service user-friendly semantic search in digital libraries Serge Linckels ; Christoph Meinel |
| title_full_unstemmed | E-Librarian Service user-friendly semantic search in digital libraries Serge Linckels ; Christoph Meinel |
| title_short | E-Librarian Service |
| title_sort | e librarian service user friendly semantic search in digital libraries |
| title_sub | user-friendly semantic search in digital libraries |
| topic | Semantic Web (DE-588)4688372-1 gnd Suchmaschine (DE-588)4423007-2 gnd Suchverfahren (DE-588)4132315-4 gnd Benutzerorientierung (DE-588)4391852-9 gnd Information Retrieval (DE-588)4072803-1 gnd Abfrageverarbeitung (DE-588)4378490-2 gnd Ontologie Wissensverarbeitung (DE-588)4827894-4 gnd Elektronische Bibliothek (DE-588)4380940-6 gnd Natürlichsprachiges System (DE-588)4284757-6 gnd |
| topic_facet | Semantic Web Suchmaschine Suchverfahren Benutzerorientierung Information Retrieval Abfrageverarbeitung Ontologie Wissensverarbeitung Elektronische Bibliothek Natürlichsprachiges System |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=021116446&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| work_keys_str_mv | AT linckelsserge elibrarianserviceuserfriendlysemanticsearchindigitallibraries AT meinelchristoph elibrarianserviceuserfriendlysemanticsearchindigitallibraries |