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ther various inteview universidades chilenas impulsan cambios curriculares en carreras desafiadas por la ia chilean universities push curricular changes in careers challenged by ai el mercurio chilean newspaper julio 2026 aidan hogan domagoj vrgoč querying graph databases at scale sigmod 2024 companion volume tutorial 2024 aidan hogan ian horrocks andreas hotho lalana kagal transactions on graph data and knowledge transactions on graph data and knowledge 1 1 2023 javier carrasco aidan hogan jorge pérez puede una máquina ver mejor que un humano revista bits de ciencia 21 universidad de chile 2021 various inteview los seis cuestionamientos de expertos en informática al creador de antorcha six questions from computer science experts for the creator of antorcha el mercurio chilean newspaper february 2018 jens lehmann sören auer sarven capadisli krzysztof janowicz christian bizer tom heath aidan hogan tim berners lee ldow2017 10th workshop on linked data on the web www companion volume 2017 aidan hogan marta apablaza sylvio garcía mitos sobre la deep web myths about the deep web publimetro chilean newspaper december 2016 aidan hogan big data a small introduction revista bits de ciencia 11 universidad de chile 2014 josé miguel piquer aidan hogan big data muerte o resurrección de los datacenters big data death or resurrection of data centres el mercurio chilean newspaper march 2014 alessandra mileo aidan hogan linked data logic programming and black risotto association for logic programming alp blog december 2013 aidan hogan towards vertebrate linked datasets in the proceedings of the dagstuhl seminar interoperation in complex information ecosystems 13252 dagstuhl germany june 2013 andreas harth aidan hogan spyros kotoulas and jacopo urbani scalable integration and processing of linked data in the tutorial proceedings of the 20th international conference on world wide web www 2011 hyderabad india march april 2011 andreas harth aidan hogan jürgen umbrich stefan decker building a semantic web search engine challenges and solutions in the proceedings of the 3rd xtech conference dublin ireland 2008 errata mistakes happen this is a list of some errata found in the published versions of the works listed above works with errata have been marked above with the following symbol the errata listed have been corrected in the pre print versions linked above in the published version of the ring worst case optimal joins in graph databases using almost no extra space theorem 7 9 holds only for cycles not for general order graphs see details we thank ruben becker adrián gómez brandón gonzalo navarro and nicola prezza for this correction in the published version of semantics and canonicalisation of sparql 1 1 table 7 in the definition for projection it should read dom μ v dom μ instead of dom μ v dom μ we thank median hilal for the correction this is corrected in the version linked above in the published version of modelling dynamics in semantic web knowledge graphs with formal concept analysis we stated mean average error mae when we intended to say mean absolute error mae also on line 20 of algorithm 1 b_i should rather be b_j this is corrected in the version linked above in the published version of fast approximate autocompletion for sparql query builders we claimed that in terms of experiments to the best of our knowledge there is no existing benchmark for autocompletion this was erroneous in efficient sparql autocompletion via sparql bast et al also cited in the paper define a benchmark for autocompletion with respect to wikidata freebase and fbeasy in a pre print version of canonical forms for isomorphic and equivalent rdf graphs algorithms for leaning and labelling blank nodes definition 3 18 forgot to specify that g be a subset of g thanks to antoine zimmermann for pointing out this issue along with some other minor comments i m hoping to correct for the published version in the published version on p24 second paragraph as well as in example 4 15 _ a _ c should read _ a _ b _ c _ a should read _ c _ b _ c _ i should read _ c _ f and _ a _ g should read _ a _ d also in algorithm 3 the recursion of the distinguish function requires making a copy of the array thanks to ivan herman for these latter corrections manu sporny has pointed out that his joint and earlier work with dave longley on producing canonical labels for blank nodes was not cited in this paper we have added this missing reference and given due credit to this earlier work also on line 26 of algorithm 6 g should be g the case where the join returns empty results for an intermediate solution has now been clarifed by adding lines 44 45 the condition on line 28 was fixed to assure termination and other clarifications were added thanks to dan kortschak finally in the discussion after definition 4 6 it was implied that the split of g in example 4 5 would be g whereas g should be split into two subgraphs credit to tomás vallejos for spotting this these issues are resolved in the version linked above in the published version of reifying rdf what works well with wikidata in table 5 and figure 3 the standard reification and n ary relations columns were mixed up also the minimum y value 100 ms used for figure 3 was higher than the runtime of two query executions for virtuoso q7 nr sp which thus did not appear in the figure these errors are fixed in the version above in the published version of everything you always wanted to know about blank nodes there was a bug with how sparql select queries were used to find non lean graphs we neglected to address automorphisms that would cause graphs to appear non lean when they were actually lean the discussion at the end of section 4 2 and algorithm 5 have been updated accordingly to fix the issue in the version linked here here s some more details on the error i sent to my co authors also in theorem 3 5 it was stated that g entails h if and only if i h is contained in i g this should have stated if and only if i g is contained in i h finally we removed a duplicate node in figure 1 thanks to georg lausen these errors are fixed in the pre print above in the published version of the hogan book chapter in linked data management in the first definition i had stated u b l p l t to indicate that the sets were pair wise disjoint however this does not ensure that the sets are pair wise disjoint just that there is no element of all four sets the erroneous notation has been removed from the pre print linked above thanks to basil ell for pointing this out in the published version of the buil aranda et al paper at iswc 2013 the percentage of endpoints falling into the availability intervals discussed in section 5 2 did not add up to 100 but rather to 97 most notably in the 95 99 interval the percentage should be 17 4 not 14 4 this has been corrected in the pre print linked above thanks to ruben verborgh for pointing this out if you found another error in one of the works listed above please get in contact so i can list it here it would be much appreciated ph d thesis exploiting rdfs and owl for integrating heterogeneous large scale linked data corpora organisation and chairing 2024 general chair of the 23rd international semantic web conference iswc 2024 nov 11 15 baltimore maryland u s diversity equity and inclusion co chair of the 2024 acm sigmod pods international conference on management of data sigmod pods june 9 15 santiago chile 2022 pc co chair of the 21st international semantic web conference iswc 2022 oct 23 37 online 2021 pc co chair of the 10th international joint conference on knowledge graphs ijckg 2021 dec 06 08 online co organiser co chair of the 2nd wikidata workshop oct 24 at the international semantic web conference online poster demo track co chair of the european semantic web conference eswc 2021 june 06 10 online 2020 co organiser co chair of the 4th workshop on storing querying and benchmarking the web of data quweda 2020 nov 1 at the international semantic web conference online 2019 co organiser co chair of the 1st emerging challenges in databases and research workshop nov 12 15 santa cruz chile co organiser co chair of the 3rd workshop on storing querying and benchmarking the web of data quweda 2019 oct 26 at the international semantic web conference auckland new zealand in use co chair of the 18th international semantic web conference iswc 2019 oct 26 30 auckland new zealand pc co chair of the 13th alberto mendelzon international workshop on foundations of data management amw 2019 june 03 07 asunción paraguay 2017 co chair of workshops tutorials of the 16th international semantic web conference iswc 2017 oct 21 25 vienna austria 2016 co organiser co chair of the 7th international workshop on consuming linked data cold 2016 oct 18 at the international semantic web conference kobe japan 2015 co organiser co chair of the 6th international workshop on consuming linked data cold 2015 oct 12 at the international semantic web conference bethlehem us co organiser co chair of the 3rd alberto mendelzon workshop school amw school 2015 may 4 5 lima peru 2014 co organiser co chair of the 5th international workshop on consuming linked data cold 2014 oct 19 at the international semantic web conference riva del garda italy co organiser co chair of the 2nd alberto mendelzon workshop school amw school 2014 june 2 3 cartagena colombia 2013 co organiser co chair of the 4th international workshop on consuming linked data cold 2013 oct 21 at the international semantic web conference sydney australia pc memberships aaai 2013 2015 2021 acl 2021 cikm 2020 ecai 2014 ekaw 2012 2014 2016 2018 2026 eswc 2010 2015 2017 2018 2020 2022 hypertext 2013 2015 icde 2024 icdt 2018 ijcai 2011 2013 2015 iswc 2011 2021 2023 jist 2011 k cap 2021 2023 2025 kgswc 2020 2021 pods 2022 rr 2012 2014 2016 ruleml 2015 sigmod 2024 2026 sigkdd 2026 www 2015 2016 2018 2021 various workshops amw ckg crowdsem desweb eyre hpcsw kogpit ladas mepdaw noise owled quweda skale sumpre swss webdb web kr3 wlt wodoom spc memberships sub track chair area chair aaai 2024 2026 cikm 2021 ecai 2020 eswc 2016 2019 iswc 2021 2023 2026 www 2022 2025 editor in chief transactions on graph data and knowledge tgdk editorial board semantic web journal swj journal of web semantics jws resigned 2023 other reviewing various journals jws swj ijswis acm trans on the web kais ieee internet computing intelligent systems jcst etc keynote speaker 2024 keynote wikidata a nucleus for a web of open data at the distributed knowledge graphs plenary meeting cost ca19134 2024 september 10 11 2024 vienna austria keynote knowledge graphs in the age of large language models at the 24ème conférence francophone sur l extraction et la gestion des connaissances egc 2024 january 22 26 2024 dijon france 2023 keynote knowledge graphs in the age of large language models at the 19th international conference on semantic systems semantics 2023 september 20 22 2023 leipzig germany 2022 keynote managing the evolution and preservation of the data web at the 8th international workshop on managing the evolution and preservation of the data web mepdaw 2022 october 23 2022 online 2018 keynote context in graphs at the international workshop on contextualized knowledge graphs ckg at iswc 2018 october 9 2018 monterey ca us keynote profiling graphs order from chaos at the international workshop on profiling and searching data on the web profiles at www 2018 april 24 lyon france 2017 keynote linked data turning practice into theory at the 11th alberto mendelzon international workshop on foundations of data management and the web june 7 9 montevideo uruguay invited lectures 2025 invited lecture on knowledge graphs a mainstream technology that few know about at the university of galway insight visitor lecture series january 21 galway ireland 2024 invited lecture on knowledge graphs an introduction at the 24ème conférence francophone sur l extraction et la gestion des connaissances école egc 2024 january 22 23 dijon france 2023 invited lecture on knowledge representation querying reasoning for large knowledge graphs with sebastian rudolph at the international semantic web research summer school isws june 11 17 bertinoro italy invited lecture on querying knowledge graphs with domagoj vrgoč at the 15th alberto mendelzon international workshop on foundations of data management may 23 santiago chile 2022 invited lecture on grafos de conocimiento knowledge graphs at the v escuela de fundamentos de los datos en jcc november 24 santiago chile invited lecture on introduction to knowledge graphs at the international artificial intelligence in bergen research school june 7 11 bergen norway 2020 invited lecture on knowledge graphs research directions at the reasoning web summer school june 24 26 online 2019 invited lecture on semantic web at the kgswc summer school june 23 24 villa clara cuba 2016 invited lecture on lenguajes de consulta para bases de datos de grafos query languages for graph databases with pablo barceló at the escuela de ciencias informáticas jul 18 23 buenos aires argentina 2013 invited lecture on introduction to linked data and querying linked data with jarred mcginnis at the 3rd eswc summer school 2013 sep 2 7 kalamaki greece videos online introduction to linked data querying linked data invited lecture on reasoning with linked data with axel polleres at the 9th reasoning web summer school 2013 rw2013 jul 30 aug 2 mannheim germany 2012 invited lecture on semantic web languages and standards at the 2nd eswc summer school 2012 may 21 26 kalamaki greece video online semantic web languages and standards 2011 invited lecture on scalable owl 2 reasoning for linked data with jeff z pan at the 7th reasoning web summer school 2011 rw2011 aug 23 27 galway ireland video online part 1 part 2 invited lecture on introduction to rdfs and owl at the 5th asian semantic web school 2011 asws2011 jul 11 15 university of incheon korea invited talks 2025 invited talk on large language models knowledge graphs search engines a crossroads for answering users questions bosch germany online april 8 invited talk on large language models knowledge graphs search engines a crossroads for answering users questions university of galway insight ireland january 22 2024 invited talk on worst case optimal joins some database theory in practice tu vien austria september 9 invited talk on large language models knowledge graphs search engines a crossroads for answering users questions wu vien austria september 4 invited talk on knowledge graphs in the age of large language models institute for artificial intelligence seminar university of stuttgart germany online january 16 2023 invited talk on knowledge graphs in the age of large language models chung ang university seminar chung ang university republic of korea online november 20 invited talk on knowledge graphs in the age of large language models dice group seminar university of paderborn germany online october 5 invited ...