microsoft academic services...microsoft academic services september 26, 2016 kuansan wang, managing...
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MICROSOFT ACADEMIC SERVICESSEPTEMBER 26, 2016
KUANSAN WANG, MANAGING DIRECTOR AND PRINCIPLE RESEARCHER
MICROSOFT RESEARCH OUTREACH, REDMOND, WA USA
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Search and Browse Cloud API
https://www.microsoft.com/en-us/research/project/academic/
Academic.microsoft.com Microsoft.com/cognitive-services/en-us/academic-knowledge-api
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Intelligent Open
Reach Authoritative
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Index Keywords Digest Knowledge
INTELLIGENT
Matching Keywords Understand User Intent
Hit-or-Miss 10 Blue Links Dialog Experience
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Most relevant results do NOT
contain query terms
Most relevant results do NOT
contain query terms
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Intent confirmation
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Refinement suggestions
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Dynamic
disambiguation dialog
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INTERACTIVE DIALOG
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Author (>110M)Publication(>160M)
VenueSeries
VenueInstance
Field ofStudy (50+K)Affiliation
Citations(Billions)
REACH
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OPEN
Microsoft Academic
Academic Knowledge APIs
Knowledge Exploration Service (KES)
Microsoft Academic Graph
Entity Linking Intelligent Service (ELIS)
Microsoft
Cognitive
Services
(APIs)
Data
Experiences
OPEN
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ACCESSING ACADEMIC GRAPH VIA CLOUD API
• HTTPS://WWW.MICROSOFT.COM/COGNITIVE-SERVICES/EN-US/ACADEMIC-KNOWLEDGE-API
• THREE METHODS:
• INTERPRET: QUERY COMPLETION AND SEMANTIC INTERPRETATION
• EVALUATE: RETRIEVE RESULTS BASED ON INTERPRETATION
• CALCHISTOGRAM: DYNAMICALLY COMPUTE HISTOGRAM FOR ANALYTICS
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GET
https://api.projectoxford.ai/academic/v1.0/interpret?query=mic&complete=1&count=5&
model=latest
HTTP/1.1
Host: api.projectoxford.ai Ocp-Apim-Subscription-Key: ••••••••••••••••••••••••••••••••
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Content-Type: application/json{ "query": "mic",
"interpretations": [
{ "logprob": -11.636,
"parse": "<rule name=\"#GetPapers\">
<attr name=\"academic#AA.AfN\">microsoft</attr>
</rule>",
"rules": [
{ "name": "#GetPapers",
"output": { "type": "query", "value": "Composite(AA.AfN=='microsoft')" }
} ]
},
{ "logprob": -11.956,
"parse": "<rule name=\"#GetPapers\">
<attr name=\"academic#AA.AfN\" canonical=\"university of michigan\">
michigan university</attr></rule>",
"rules": [
{ "name": "#GetPapers",
"output": {"type": "query",
"value": "Composite(AA.AfN=='university of michigan')" }
} ]
},
…
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https://api.projectoxford.ai/academic/v1.0/evaluate?expr=Composite(AA.AfN=='microsoft')&count=10&attributes=Ti,D,C.CN,
J.JN,ECC
Content-Type: application/json {
"expr": "Composite(AA.AfN=='microsoft')",
"entities": [
{ "logprob": -14.427,
"Ti": "xen and the art of virtualization",
"D": "2003-10-19",
"ECC": 7570,
"C": { "CN": "sosp" }
},
{ "logprob": -14.523,
"Ti": "robust real time face detection",
"D": "2004-05-01",
"ECC": 11041,
"J": { "JN": "ijcv" }
},
…
]
}
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https://api.projectoxford.ai/academic/v1.0/calchistogram?expr=And(Composite(F.FN=='machine
learning'),Y>2011)&model=latest&attributes=AA.AfN&count=10&offset=0&timeout=10000
Content-Type: application/json {
"expr": "And(Composite(F.FN=='machine learning'),Y>2011)",
"num_entities": 255762,
"histograms": [
{ "attribute": "AA.AfN", "distinct_values": 6985, "total_count": 189236,
"histogram": [
{ "value": "microsoft",
"logprob": -12.444,
"count": 1371
},
{ "value": "chinese academy of sciences",
"logprob": -12.992,
"count": 2256
},
{ "value": "carnegie mellon university",
"logprob": -13.069,
"count": 1060
}, …
}
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AUTHORITATIVE
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ISSUES
• INCUMBENT METRICS ARE OFTEN MISUSED/ABUSED
• JOURNAL IMPACT FACTOR
• H-INDEX
• READY FOR ALMETRICS?
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DRAWBACK OF CITATION COUNTS
A BCitation #A = 5 Citation #B = 3
Is A > B?
• Counts alone are insufficient
• Need to consider credentials of
citing parties
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RANKING BEHIND MICROSOFT ACADEMIC
• BASED ON PERON THEOREM (1904): PROBABILITY OF BECOMING WIDELY-KNOWN
• “WORK MORE IMPORTANT IF CITED BY IMPORTANT WORK”
• REDISCOVERED BY PINKSKI & NARIN, IPM (1976)
• MADE FAMOUS BY PAGERANK (1998), HITS (1998, ASK.COM), RANKDEX (1996, BAIDU)
• EXTENDED TO HETEROGENEOUS GRAPH
• “WORK MORE IMPORTANT IF CITED BY IMPORTANT <ENTITY> WEIGHTED BY <ENTITY TYPE>”
• <ENTITY> MORE IMPORTANT IF PRODUCING IMPORTANT WORK
• READY FOR SOCIAL SIGNALS!
• TEMPORAL DYNAMICS CONSIDERED
• OLDER WORK NEEDS SUSTAINED INFLUENCES TO MAINTAIN RANK
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MOST SELF-CONSISTENT PARAMETERS
0.939
0.007
0.0230.013 0.012
0.005
0.991
0.948
0.005
0.019
0.009 0.0120.007
0.991
Citation Author Affiliation Venue Field of Study Keyword Time Decay
Jun-16 Mar-16
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Overall 2012-2016 1997-2011
1 Nature Nature Nature
2 Science PNAS Science
3 PNAS Science PNAS
4 Cell Journal of Biological Chemistry Cell
5 Nucleic Acids Research Cell Nature Genetics
6 Nature Genetics PLOS ONE Nucleic Acids Research
7 Nature Medicine Nucleic Acids Research Nature Medicine
8 Nature Biotechnology Nature Genetics Bioinformatics
9 Bioinformatics Nature Methods Nature Biotechnology
10 New England Journal of Medicine Nature Medicine Blood
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1 10 100
Log
Sa
lienc
y
H-index
Saliency vs. H-index for Authors
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OPEN ACADEMIC SOCIETY
• LAUNCHED BY UNIVERSITY AND INDUSTRY PARTNERS IN JULY, 2016
• OPEN MEMBERSHIP
• CORE BELIEFS
• ACADEMIC DATA SHOULD BE OPEN
• ALGORITHMS PROCESSING THESE DATA SHOULD BE OPEN
• COMMUNITY EFFORT TO MAKE PROGRESS, BREAK DOWN PROPRIETARY WALLS
• OPENACADEMIC.AI FOR MORE DETAILS
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Intelligent Open
Reach Authoritative
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31
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