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Tracking individual needs of users leads to personal digital assistance that appears in the system's interaction mode as the user's personal software agent. The main objective of personal assistance as envisaged here is enabling the system to give the users recommendations that are derived from best practive in information search processes. Best practice reflects the knowledge about how users perform successful retrieval activities and attempt to define the best ways of searching large document collections. Best practices are developed on an individual as well as on a community base.<\/jats:p><jats:p>The model presented here was developed for the information system IRAIA, a portal for economic information from huge data collections of Economic Research Institutes (ERI) and National Statistical Institutions (NSI). The personal agent draws on IRAIA's model of context\u2010oriented retrieval and observe, record and analye the users' search and navigation by applying concepts of the respective taxonomies.<\/jats:p>","DOI":"10.1002\/meet.1450390132","type":"journal-article","created":{"date-parts":[[2005,1,31]],"date-time":"2005-01-31T12:48:59Z","timestamp":1107175739000},"page":"292-297","source":"Crossref","is-referenced-by-count":1,"title":["A model for personal assistance in complex information spaces"],"prefix":"10.1002","volume":"39","author":[{"given":"Javier","family":"Pereira","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kurt","family":"Englmeier","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Claudio","family":"Rojas","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2005,1,31]]},"reference":[{"key":"e_1_2_5_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/0306-4573(92)90081-A"},{"key":"e_1_2_5_3_1","doi-asserted-by":"crossref","first-page":"43","DOI":"10.1145\/506218.506243","article-title":"From adaptive hypertext to personalized web companions","volume":"45","author":"Andr\u00e9 E.","year":"2002","journal-title":"Communications of the ACM"},{"key":"e_1_2_5_4_1","doi-asserted-by":"crossref","first-page":"34","DOI":"10.1145\/506218.506240","article-title":"Adaptive interfaces for ubiquitous web access","volume":"45","author":"Billsus D.","year":"2002","journal-title":"Communications of the ACM"},{"key":"e_1_2_5_5_1","doi-asserted-by":"crossref","unstructured":"Billsus D. Pazzani M.(1999).A personal news agent that talks learns and explains. In: Etzioni O. et al (eds) Proceedings of the third annual conference on autonomous agents. Seattle (USA).268\u2013275.","DOI":"10.1145\/301136.301208"},{"key":"e_1_2_5_6_1","doi-asserted-by":"crossref","first-page":"31","DOI":"10.1145\/506218.506239","article-title":"From adaptive hypermedia to the adaptive web","volume":"45","author":"Brusilovsky P.","year":"2002","journal-title":"Communications of the ACM"},{"key":"e_1_2_5_7_1","doi-asserted-by":"publisher","DOI":"10.1109\/2.933502"},{"key":"e_1_2_5_8_1","unstructured":"Englmeier K. Mothe J. Pauer B.(2001). Users bootstrap searching the Web through interactive agents supporting best practice sharing. In: M. J. Smith G. Salvendy D. Harris R. J. Koubek.Usability Evaluation and Interface Design: Cognitive Engineering Intelligent Agents and Virtual Reality. Mahwah USA.923\u2013927."},{"key":"e_1_2_5_9_1","unstructured":"Krause J.(1996). Informationserschlie\u00dfung und \u2010bereitstellung zwischen Deregulation Kommerzialisierung und weltweiter Vernetzung. (\u201cSchalenmodell\u201d). IZ\u2010Arbeitsbericht Nr. 6. 19."},{"key":"e_1_2_5_10_1","doi-asserted-by":"publisher","DOI":"10.1109\/5254.784084"},{"key":"e_1_2_5_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0377-2217(00)00041-2"},{"key":"e_1_2_5_12_1","doi-asserted-by":"publisher","DOI":"10.1109\/5254.784083"},{"key":"e_1_2_5_13_1","doi-asserted-by":"publisher","DOI":"10.1023\/A:1009942513170"}],"container-title":["Proceedings of the American Society for Information Science and Technology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1002%2Fmeet.1450390132","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/asistdl.onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/meet.1450390132","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,20]],"date-time":"2025-10-20T09:52:38Z","timestamp":1760953958000},"score":1,"resource":{"primary":{"URL":"https:\/\/asistdl.onlinelibrary.wiley.com\/doi\/10.1002\/meet.1450390132"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2002,11]]},"references-count":12,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2002,11]]}},"alternative-id":["10.1002\/meet.1450390132"],"URL":"https:\/\/doi.org\/10.1002\/meet.1450390132","archive":["Portico"],"relation":{},"ISSN":["0044-7870","1550-8390"],"issn-type":[{"type":"print","value":"0044-7870"},{"type":"electronic","value":"1550-8390"}],"subject":[],"published":{"date-parts":[[2002,11]]}}}