Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1523797563', 'doi': 'https://doi.org/10.1007/978-3-642-12200-2_30', 'title': 'On Quadratic Threshold CSPs', 'display_name': 'On Quadratic Threshold CSPs', 'publication_year': 2010, 'publication_date': '2010-01-01', 'ids': {'openalex': 'https://openalex.org/W1523797563', 'doi': 'https://doi.org/10.1007/978-3-642-12200-2_30', 'mag': '1523797563'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1007/978-3-642-12200-2_30', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S106296714', 'display_name': 'Lecture notes in computer science', 'issn_l': '0302-9743', 'issn': ['0302-9743', '1611-3349'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310319900', 'host_organization_name': 'Springer Science+Business Media', 'host_organization_lineage': ['https://openalex.org/P4310319965', 'https://openalex.org/P4310319900'], 'host_organization_lineage_names': ['Springer Nature', 'Springer Science+Business Media'], 'type': 'book series'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'book-chapter', 'type_crossref': 'book-chapter', 'indexed_in': ['crossref'], 'open_access': {'is_oa': True, 'oa_status': 'green', 'oa_url': 'http://www.cs.toronto.edu/%7Eaustrin/papers/approx_qtf_latin.pdf', 'any_repository_has_fulltext': True}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5055776088', 'display_name': 'Per Austrin', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I36672615', 'display_name': 'Courant Institute of Mathematical Sciences', 'ror': 'https://ror.org/037tm7f56', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I36672615', 'https://openalex.org/I57206974']}, {'id': 'https://openalex.org/I57206974', 'display_name': 'New York University', 'ror': 'https://ror.org/0190ak572', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I57206974']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Per Austrin', 'raw_affiliation_strings': ['Courant Institute of Mathematical Sciences, New York University,'], 'affiliations': [{'raw_affiliation_string': 'Courant Institute of Mathematical Sciences, New York University,', 'institution_ids': ['https://openalex.org/I36672615', 'https://openalex.org/I57206974']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5011919833', 'display_name': 'Siavosh Benabbas', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I185261750', 'display_name': 'University of Toronto', 'ror': 'https://ror.org/03dbr7087', 'country_code': 'CA', 'type': 'education', 'lineage': ['https://openalex.org/I185261750']}], 'countries': ['CA'], 'is_corresponding': False, 'raw_author_name': 'Siavosh Benabbas', 'raw_affiliation_strings': ['Department of Computer Science, University of Toronto,'], 'affiliations': [{'raw_affiliation_string': 'Department of Computer Science, University of Toronto,', 'institution_ids': ['https://openalex.org/I185261750']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5043150610', 'display_name': 'Avner Magen', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I185261750', 'display_name': 'University of Toronto', 'ror': 'https://ror.org/03dbr7087', 'country_code': 'CA', 'type': 'education', 'lineage': ['https://openalex.org/I185261750']}], 'countries': ['CA'], 'is_corresponding': False, 'raw_author_name': 'Avner Magen', 'raw_affiliation_strings': ['Department of Computer Science, University of Toronto,'], 'affiliations': [{'raw_affiliation_string': 'Department of Computer Science, University of Toronto,', 'institution_ids': ['https://openalex.org/I185261750']}]}], 'institution_assertions': [], 'countries_distinct_count': 2, 'institutions_distinct_count': 3, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 5000, 'currency': 'EUR', 'value_usd': 5392, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 0.66, 'has_fulltext': False, 'cited_by_count': 6, 'citation_normalized_percentile': {'value': 0.682077, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 81, 'max': 82}, 'biblio': {'volume': None, 'issue': None, 'first_page': '332', 'last_page': '343'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10374', 'display_name': 'Advanced Graph Theory Research', 'score': 0.9999, 'subfield': {'id': 'https://openalex.org/subfields/1703', 'display_name': 'Computational Theory and Mathematics'}, 'field': {'id': 'https://openalex.org/fields/17', 'display_name': 'Computer Science'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, 'topics': [{'id': 'https://openalex.org/T10374', 'display_name': 'Advanced Graph Theory Research', 'score': 0.9999, 'subfield': {'id': 'https://openalex.org/subfields/1703', 'display_name': 'Computational Theory and Mathematics'}, 'field': {'id': 'https://openalex.org/fields/17', 'display_name': 'Computer Science'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T10720', 'display_name': 'Complexity and Algorithms in Graphs', 'score': 0.9999, 'subfield': {'id': 'https://openalex.org/subfields/1703', 'display_name': 'Computational Theory and Mathematics'}, 'field': {'id': 'https://openalex.org/fields/17', 'display_name': 'Computer Science'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T11329', 'display_name': 'Limits and Structures in Graph Theory', 'score': 0.9985, 'subfield': {'id': 'https://openalex.org/subfields/2607', 'display_name': 'Discrete Mathematics and Combinatorics'}, 'field': {'id': 'https://openalex.org/fields/26', 'display_name': 'Mathematics'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/predicate', 'display_name': 'Predicate (mathematical logic)', 'score': 0.63672024}], 'concepts': [{'id': 'https://openalex.org/C199622910', 'wikidata': 'https://www.wikidata.org/wiki/Q1128326', 'display_name': 'Constraint satisfaction problem', 'level': 3, 'score': 0.7492709}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.74034286}, {'id': 'https://openalex.org/C140146324', 'wikidata': 'https://www.wikidata.org/wiki/Q1144319', 'display_name': 'Predicate (mathematical logic)', 'level': 2, 'score': 0.63672024}, {'id': 'https://openalex.org/C129844170', 'wikidata': 'https://www.wikidata.org/wiki/Q41299', 'display_name': 'Quadratic equation', 'level': 2, 'score': 0.61957264}, {'id': 'https://openalex.org/C114614502', 'wikidata': 'https://www.wikidata.org/wiki/Q76592', 'display_name': 'Combinatorics', 'level': 1, 'score': 0.4967807}, {'id': 'https://openalex.org/C118615104', 'wikidata': 'https://www.wikidata.org/wiki/Q121416', 'display_name': 'Discrete mathematics', 'level': 1, 'score': 0.49447012}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.1678001}, {'id': 'https://openalex.org/C2524010', 'wikidata': 'https://www.wikidata.org/wiki/Q8087', 'display_name': 'Geometry', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C49937458', 'wikidata': 'https://www.wikidata.org/wiki/Q2599292', 'display_name': 'Probabilistic logic', 'level': 2, 'score': 0.0}, {'id': 'https://openalex.org/C199360897', 'wikidata': 'https://www.wikidata.org/wiki/Q9143', 'display_name': 'Programming language', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C105795698', 'wikidata': 'https://www.wikidata.org/wiki/Q12483', 'display_name': 'Statistics', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 6, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1007/978-3-642-12200-2_30', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S106296714', 'display_name': 'Lecture notes in computer science', 'issn_l': '0302-9743', 'issn': ['0302-9743', '1611-3349'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310319900', 'host_organization_name': 'Springer Science+Business Media', 'host_organization_lineage': ['https://openalex.org/P4310319965', 'https://openalex.org/P4310319900'], 'host_organization_lineage_names': ['Springer Nature', 'Springer Science+Business Media'], 'type': 'book series'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.231.9847', 'pdf_url': 'http://www.cs.toronto.edu/%7Eaustrin/papers/approx_qtf_latin.pdf', 'source': {'id': 'https://openalex.org/S4306400349', 'display_name': 'CiteSeer X (The Pennsylvania State University)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I130769515', 'host_organization_name': 'Pennsylvania State University', 'host_organization_lineage': ['https://openalex.org/I130769515'], 'host_organization_lineage_names': ['Pennsylvania State University'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'https://hal.inria.fr/hal-00990598/file/2117-7547-1-PB.pdf', 'pdf_url': 'https://hal.inria.fr/hal-00990598/file/2117-7547-1-PB.pdf', 'source': {'id': 'https://openalex.org/S4306402512', 'display_name': 'HAL (Le Centre pour la Communication Scientifique Directe)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1294671590', 'host_organization_name': 'Centre National de la Recherche Scientifique', 'host_organization_lineage': ['https://openalex.org/I1294671590'], 'host_organization_lineage_names': ['Centre National de la Recherche Scientifique'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'https://hal.inria.fr/hal-00990598', 'pdf_url': 'https://hal.inria.fr/hal-00990598/document', 'source': {'id': 'https://openalex.org/S4306402512', 'display_name': 'HAL (Le Centre pour la Communication Scientifique Directe)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1294671590', 'host_organization_name': 'Centre National de la Recherche Scientifique', 'host_organization_lineage': ['https://openalex.org/I1294671590'], 'host_organization_lineage_names': ['Centre National de la Recherche Scientifique'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'https://inria.hal.science/hal-00990598', 'pdf_url': 'https://inria.hal.science/hal-00990598/document', 'source': {'id': 'https://openalex.org/S4306402512', 'display_name': 'HAL (Le Centre pour la Communication Scientifique Directe)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1294671590', 'host_organization_name': 'Centre National de la Recherche Scientifique', 'host_organization_lineage': ['https://openalex.org/I1294671590'], 'host_organization_lineage_names': ['Centre National de la Recherche Scientifique'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'https://inria.hal.science/hal-00990598/file/2117-7547-1-PB.pdf', 'pdf_url': 'https://inria.hal.science/hal-00990598/file/2117-7547-1-PB.pdf', 'source': {'id': 'https://openalex.org/S4306402512', 'display_name': 'HAL (Le Centre pour la Communication Scientifique Directe)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1294671590', 'host_organization_name': 'Centre National de la Recherche Scientifique', 'host_organization_lineage': ['https://openalex.org/I1294671590'], 'host_organization_lineage_names': ['Centre National de la Recherche Scientifique'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.231.9847', 'pdf_url': 'http://www.cs.toronto.edu/%7Eaustrin/papers/approx_qtf_latin.pdf', 'source': {'id': 'https://openalex.org/S4306400349', 'display_name': 'CiteSeer X (The Pennsylvania State University)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I130769515', 'host_organization_name': 'Pennsylvania State University', 'host_organization_lineage': ['https://openalex.org/I130769515'], 'host_organization_lineage_names': ['Pennsylvania State University'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, 'sustainable_development_goals': [{'id': 'https://metadata.un.org/sdg/10', 'display_name': 'Reduced inequalities', 'score': 0.44}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 22, 'referenced_works': ['https://openalex.org/W1485993952', 'https://openalex.org/W1490233153', 'https://openalex.org/W1498722263', 'https://openalex.org/W1530739071', 'https://openalex.org/W1577891761', 'https://openalex.org/W1967935161', 'https://openalex.org/W1975810219', 'https://openalex.org/W1985123706', 'https://openalex.org/W1999032440', 'https://openalex.org/W2055711302', 'https://openalex.org/W2083360043', 'https://openalex.org/W2091921997', 'https://openalex.org/W2097823813', 'https://openalex.org/W2110225403', 'https://openalex.org/W2110871651', 'https://openalex.org/W2117290960', 'https://openalex.org/W2120358419', 'https://openalex.org/W2137373403', 'https://openalex.org/W2144306455', 'https://openalex.org/W2179897858', 'https://openalex.org/W2185716868', 'https://openalex.org/W4250613930'], 'related_works': ['https://openalex.org/W4287664878', 'https://openalex.org/W3212023493', 'https://openalex.org/W3103304230', 'https://openalex.org/W2980963558', 'https://openalex.org/W2580986343', 'https://openalex.org/W2185360082', 'https://openalex.org/W1992365905', 'https://openalex.org/W1882246857', 'https://openalex.org/W1547206149', 'https://openalex.org/W1524973174'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1523797563', 'counts_by_year': [{'year': 2019, 'cited_by_count': 2}, {'year': 2018, 'cited_by_count': 1}, {'year': 2017, 'cited_by_count': 1}, {'year': 2012, 'cited_by_count': 2}], 'updated_date': '2024-12-09T16:28:17.018006', 'created_date': '2016-06-24'}