GB2382704A - Collaborative filtering - Google Patents

Collaborative filtering

Info

Publication number
GB2382704A
GB2382704A GB0304014A GB0304014A GB2382704A GB 2382704 A GB2382704 A GB 2382704A GB 0304014 A GB0304014 A GB 0304014A GB 0304014 A GB0304014 A GB 0304014A GB 2382704 A GB2382704 A GB 2382704A
Authority
GB
United Kingdom
Prior art keywords
case
item
data
function
profiles
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB0304014A
Other versions
GB0304014D0 (en
Inventor
Alison Oldale
John Oldale
John Reenen
Michael Campbell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
POLYGNOSTICS Ltd
Original Assignee
POLYGNOSTICS Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB0018463A external-priority patent/GB0018463D0/en
Priority claimed from GB0100035A external-priority patent/GB0100035D0/en
Priority claimed from GB0113334A external-priority patent/GB0113334D0/en
Priority claimed from GB0113335A external-priority patent/GB0113335D0/en
Application filed by POLYGNOSTICS Ltd filed Critical POLYGNOSTICS Ltd
Publication of GB0304014D0 publication Critical patent/GB0304014D0/en
Publication of GB2382704A publication Critical patent/GB2382704A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/30—Information retrieval; Database structures therefor; File system structures therefor of unstructured textual data
    • G06F16/33—Querying
    • G06F16/335—Filtering based on additional data, e.g. user or group profiles
    • G06F16/337—Profile generation, learning or modification
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/30—Information retrieval; Database structures therefor; File system structures therefor of unstructured textual data
    • G06F16/33—Querying
    • G06F16/335—Filtering based on additional data, e.g. user or group profiles
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90—Details of database functions independent of the retrieved data types
    • G06F16/95—Retrieval from the web
    • G06F16/953—Querying, e.g. by the use of web search engines
    • G06F16/9535—Search customisation based on user profiles and personalisation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2216/00—Indexing scheme relating to additional aspects of information retrieval not explicitly covered by G06F16/00 and subgroups
    • G06F2216/03—Data mining

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Data Mining & Analysis (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Complex Calculations (AREA)
  • Image Analysis (AREA)
  • Image Processing (AREA)

Abstract

A method of filtering data to predict an observation about an item for a particular case is provided in which: a set of data representing actual observations about a plurality of items for a plurality of different cases is modelled as a function of a plurality of case and item profiles, each profile being a set of parameters comprising at least one hidden metrical variable, the parameters defining characteristics of the respective case or item; a best fit of the function to the data is found in order to find the values of the item profiles; and the profiles found are used together with the function to predict an observation for a particular case about one or more items for which data is not available for that case.
GB0304014A 2000-07-27 2001-07-27 Collaborative filtering Withdrawn GB2382704A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB0018463A GB0018463D0 (en) 2000-07-27 2000-07-27 Parametric collaborative filtering
GB0100035A GB0100035D0 (en) 2001-01-02 2001-01-02 Collaborative filtering
GB0113334A GB0113334D0 (en) 2001-06-01 2001-06-01 Collaborative filtering
GB0113335A GB0113335D0 (en) 2001-06-01 2001-06-01 Collaborative filtering
PCT/GB2001/003383 WO2002010954A2 (en) 2000-07-27 2001-07-27 Collaborative filtering

Publications (2)

Publication Number Publication Date
GB0304014D0 GB0304014D0 (en) 2003-03-26
GB2382704A true GB2382704A (en) 2003-06-04

Family

ID=27447868

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0304014A Withdrawn GB2382704A (en) 2000-07-27 2001-07-27 Collaborative filtering

Country Status (4)

Country Link
US (1) US20040054572A1 (en)
AU (1) AU2002227514A1 (en)
GB (1) GB2382704A (en)
WO (1) WO2002010954A2 (en)

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Also Published As

Publication number Publication date
WO2002010954A2 (en) 2002-02-07
GB0304014D0 (en) 2003-03-26
US20040054572A1 (en) 2004-03-18
WO2002010954A3 (en) 2003-03-13
AU2002227514A1 (en) 2002-02-13

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