CLEF-IP 2012: Retrieval in the Intellectual Property Domain Florina - - PowerPoint PPT Presentation

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CLEF-IP 2012: Retrieval in the Intellectual Property Domain Florina - - PowerPoint PPT Presentation

Jan 29, 2023 220 likes •399 views

CLEF-IP 2012: Retrieval in the Intellectual Property Domain Florina Piroi , Mihai Lupu, Allan Hanbury (1) Walid Magdy (2) , Alan Sexton (3) , Igor Filippov (4) IFS, Vienna University of Technology, Austria (1) QCRI, Quatar Foundation, Doha, Quatar

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CLEF-IP 2012: Retrieval in the Intellectual Property Domain

Florina Piroi, Mihai Lupu, Allan Hanbury (1) Walid Magdy (2), Alan Sexton (3), Igor Filippov (4)

IFS, Vienna University of Technology, Austria (1) QCRI, Quatar Foundation, Doha, Quatar (2) School of CS, University of Birmingham, UK (3) SAIC-Frederick Inc., USA (4)

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CLEF-IP Collection Content

Patent documents

1.5 patents

English, German, French

EPO, WIPO

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CLEF-IP Collection Content

3.5 million XML files Multilingual content

CLEF-IP

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CLEF-IP Tasks

Prior Art Retrieval (2009, 2010, 2011) Patent Classification (IPC) (2010, 2011) Image-based Patent Retrieval (2011) Patent Image Classification (2011)

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CLEF-IP Tasks

Passage Retrieval based on Claims Flow-chart Recognition Chemical Structure Recognition

Prior Art Retrieval (2009, 2010, 2011) Patent Classification (IPC) (2010, 2011) Image-based Patent Retrieval (2011) Patent Image Classification (2011)

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Passage Retrieval Based on Claims

Patentability Search

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Passage Retrieval Based on Claims

105 topics (3 x 35) XPaths in qrels

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Passage Retrieval Based on Claims

PRES Recall MAP

0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35

bit-2 bit-8 chm-1 bit-5 bit-3 chm-5 chm-3 hild-1 tuw-8 tuw-3 tuw-2 hild-2 chm-6 lut-5 tuw-7 lut-4

PRES Recall MAP

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Passage Retrieval Based on Claims

Precision(D) MAP(D)

0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09

bit-2 bit-1 bit-8 bit-7 chm-5 chm-1 bit-5 bit-6 chm-3 chm-4 bit-3 bit-4 chm-6 chm-2 hild-4 hild-2 hild-3 hild-1 lut-3 lut-5 lut-4 lut-1 lut-2

MAP(D) Precision(D)

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Flow-chart Recognition

Make content searchable

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Flow-chart Recognition

Graph distance measure 100 topics

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Flow-chart Recognition

40 topics evaluated

0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

Structure only

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Flow-chart Recognition

40 topics evaluated

Text Recognition (Edit distance) - average

20 40 60 80 100 120

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Flow-chart Recognition

40 topics evaluated

Node type match

0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

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Chemical Structure Recognition

Image segmentation Structure recognition

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Chemical Structure Recognition

Image segmentation Structure recognition

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CLEF-IP 2012

www.ifs.tuwien.ac.at/~clef-ip CLEF-IP Workshop

Wednesday and Thursday

Thank You!

Florina Piroi, Mihai Lupu, Allan Hanbury Walid Magdy, Alan Sexton, Igor Filippov