question, query and relevant response: pick any...
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Question, Query and Relevant Response: Pick any two
Sandy LawsonDirector R&D, MDL Information Systems GmbH
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And in Future Years?
Ask Etna, Vesuvius, Mauna Loa, Pele´..
Thank you for your attention.
From: The Beilstein File :The Quiet (R)evolution (San Diego May 2001)
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The Quest in Question
Use of Chemical Information services is largely research drivenResearch is largely driven by the search for the UnknownThe Known is largely accessible, and largely the starting basis for the questTherefore there is usually a hidden subjective context relationship between question and query
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Relevant ResponseThe relevance of the response of any ordered set of data is strongly dependent on the externally superimposed context of the ordering system (Garbage in, Garbage out). Therefore, secondary indexing data are subject to a heterogeneous series of internal conventions, each homogeneous in nature. (That’s life in a pluralistic marketplace)The query is a map of the question context onto the order of the underlying data (What I Mean as opposed to What I Say)Primary source data, although subject to external conventions, is naturally heterogeneous (Just Say It)
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Question and Relevant Response
It is not merely an issue of a universal set of standards for querying (In one way or another this has dominated the discussion for 20 years..). The best approach here is a Natural Language Analyzer, operating on source as well as query. This is a separate subject (Reading Machines). In a non-monopolistic environment it is more an issue of moving the issue of “Query Formulation” out of the central focus of attention. This is the subject of this talk.
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The Distance between the Quest and the Relevant Response: one example
Melting Point 1-2 of 294.5 ethanol Brander; Recl.Trav.Chim.Pays-Bas; 37; 1918; 71.
90 - 91 methanol Busch-Petersen, Jakob; Corey, E. J.; Tetrahedron Lett.; 41; 15; 2000; 2515 .
Prep. Brander; Recl.Trav.Chim.Pays-Bas; 37; 1918; 71.; Buckus et al.; J.Org.Chem.USSR (Engl.Transl.); 4; 1968; 1073; Zh.Org.Khim.; 4; 1968; 1113; Maender; Janzen; J.Org.Chem.; 34; 1969; 4072
Ammonium Ion :Arnett, Edward M.; Venimadhavan, Sampath; J.Org.Chem.; 56; 8; 1991; 2742.Nitroxide radical (ESR) : Maender; Janzen; J.Org.Chem.; 34; 1969; 4072.
“It was astonishing to us that N-trityl derivatives of t-alkylaminesapparently have never been reported.” (Corey, 2000)
N(C6H5)3C C(CH3)3
H(1)
Sterically shielded secondary N-tritylamines and N-tritylamide bases,readily available and useful synthetic reagents
(Nobel Prize 1990: “for his development of the theory and methodology of organic synthesis”)
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Pick Any Two
Relevant Response
Query
Question
Relevant Response
Query
Question
Relevant Response
Question
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Pre- CrossFire, Pre-SciFinder:User, Expert Intermediary, Index and Source
How relevant is the source to the question ?What the database understood from the sourceHow it is heard by the database
The underlying question
How I say it to the expert
How it is heard by the expertHow it is formulated by the expert
Efficiency = (95% 7 = 63% .. 85% 7 = 23%) / ( cost * time)
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XFIRE is Fast
0 200 400 600 800 1000 1200 1400
Elapsed time (secs)
XFIRE
STN
DIALOG
From: Electronic Publishing: The Coming Storm (Munich 1994)
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From: Electronic Publishing: The Coming Storm (Munich 1994)
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CrossFire 1.0, 2.0
How relevant is the source to the question ?(What the database understood from the source)How it is heard by the database
The underlying question
How it is formulated by the user
Efficiency= (95% 5 = 77% .. 85% 5 = 44%) / (* cost * time)
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2nd-Generation
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How relevant is the source to the question ?What the database understood from the source(How it is heard by the database)
The underlying question
(How it is formulated by the user)
Efficiency= (95% 5 = 77% .. 85% 5 = 44%) / (* cost * time)
SciFinder
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CrossFire 3.0 onwards:Defined Hyperlink Technology (Index)
How relevant is the source to the question ?The underlying question
Efficiency= (95% 2 = 90% .. 85% 2 = 72%) / (cost * time)
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Electronic Publishing..The Coming Storm
Primary Services
Conferences Growth area
Journals Storm Clouds
Books Well. .maybe
Secondary Services
Indexing Second Spring
Database Mining Growth area
From: Electronic Publishing: The Coming Storm (Munich 1994)
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Conferences
Journals
Books
Archives
The Tree-trunk Model of Chemical Information
Electronic Potential
From: Electronic Publishing: The Coming Storm (Munich 1994)
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Physical properties..Biological action..Acid / base behaviourToxicology..Lipophilicity..Reactivity..
etc..
Searcher StructureSearch Properties
Bottleneck
UserNeeds
InformationAvailable
N
S
O O
HN
O
O
H
H
The Structure IS the PropertyThe Structure IS the Property
From: Electronic Publishing: The Coming Storm (Munich 1994)
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(How relevant is the source to the question?)The underlying question
Efficiency= (95% .. 85%) / (cost * time)
Defined Hyperlink Technology (Source)
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Something Old, Something New..
Relevant further Sources(further reading)
Service(e.g. relevant information, links)
Indexing(automatic query)
Object(e.g. structure)
Paper(e.g in Tetrahedron Letters)
Reader(in context)
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Search for hetero-Diels-Alder reactions
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Groups from whichexamples were taken
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Information for related reactions in CAC
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Information from EROS
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Information from COFGT
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The Mechanism of the Nitrosation of IndolesBy John Doe
Summary : The kinetics of nitrosation of several alkyl-indoles in dilute HClO4 at room temperature are reported.Discussion. Indoles are known to be very prone to electrophilic substition in the five membered ring. (Ref. 1). In the case of aromatic nitrosation, the products depend on the presence or absence of substitution on the ring nitrogen. (Ref. 2). Etc..Experimental. 2-methyl-indole (5g) was dissolved in glacial acetic acid (200 ml) .. Etc..References.1) Peter Grimes, JACS.. 2) John Smith, TETRAHEDRON..
NH
NH
NO 1) In an electronic world, this paper
doesn’t even exist unless it is indexed.
2) Even after indexing, it is not enough to rely on Querying (a passive method), the paper itself should be alive with Point & Click access.
1
2
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The Mechanism of the Nitrosation of IndolesBy John Doe
Summary : The kinetics of nitrosation of several alkyl-indoles in dilute HClO4 at room temperature are reported.Discussion. Indoles are known to be very prone to electrophilic substition in the five membered ring. (Ref. 1). In the case of aromatic nitrosation, the products depend on the presence or absence of substitution on the ring nitrogen. (Ref. 2). Etc..Experimental. 2-methyl-indole (5g) was dissolved in glacial acetic acid (200 ml) .. Etc..References.1) Peter Grimes, JACS..2) John Smith, TETRAHEDRON..
NH
NH
NO
(Beilstein)
(Beilstein)
Litlink
Review
Secrets Related Papers
Related reactions
3) Electronic Journals integrate the underlying indexing databases (not vice versa !).4) Electronic articles update their hyperlinks in step with the publication of new papers.
1
2
Dymond
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And in Future Years?
All the best for Guenter and the Team..
And thank you for your attention today!