Demo Data from VLDB 2026 / recruitment
Reviewers in the wild
The CS expert database: 1,777,551 experts · 2,837,695 papers in CCF A–C and ICORE A*–C venues · 10 venue-derived domains · snapshot 2026-09-22.
Experts by research domain — the database's own venue-derived domains; a paper can belong to several; active = at least one paper since 2021
Artificial intelligence and machine learning
419,855 active · 726,626 total · 856,312 papers
NeurIPS · AAAI · ESWA · CVPR · ICML · EAAI
Graphics, computer vision, multimedia, augmented reality and games
220,290 active · 419,218 total · 473,177 papers
AAAI · ICASSP · MTA · CVPR · INTERSPEECH · ICCV
Applied, interdisciplinary, general and emerging computing
306,612 active · 637,688 total · 436,260 papers
TGARS · IGARSS · TITS · TII · CogSci · Bioinformatics
Systems, architecture and hardware
148,087 active · 345,638 total · 325,499 papers
IROS · ICRA · VTC · ISCAS · TJSC · IECON
Computer networks
105,468 active · 214,616 total · 249,845 papers
IOT · ICC · GLOBECOM · TWC · TCOM · TMC
Databases, data management, data science and information retrieval
134,049 active · 269,256 total · 249,104 papers
IEEE BigData · CIKM · SIGKDD · TKDE · AEI · SIGIR
Theory of computation
38,447 active · 105,648 total · 202,645 papers
TIT · TCS · DAM · SODA · STOC · ICALP
Human-computer interaction and ubiquitous computing
114,847 active · 268,055 total · 198,672 papers
CHI · SMC · TSMC · SIGCSE · PACMHCI · IJHCI
Software engineering, systems software and programming languages
76,605 active · 178,952 total · 173,661 papers
DATE · COMPSAC · CoDIT · PACM PL · TSC · JSS
Security and privacy
57,527 active · 109,981 total · 102,399 papers
TIFS · TDSC · USENIX Security · TrustCom · CCS · JISA
Experts by expertise
The expertise taxonomy: 90,661 topics extracted from 634,694 papers of 537,692 experts, organised under the ten CCF categories and 168 areas. Pick a category, then narrow down to a topic; every level lists its experts by weight.
Artificial intelligence
231,922 experts · 238,182 papers
33 areas · 23,066 topics
Theoretical computer science
84,688 experts · 103,442 papers
15 areas · 12,358 topics
Computer architecture, parallel and distributed computing, and storage systems
119,266 experts · 88,175 papers
18 areas · 10,819 topics
Computer graphics and multimedia
99,217 experts · 74,150 papers
13 areas · 7,821 topics
Computer networks
79,947 experts · 72,281 papers
18 areas · 9,664 topics
Databases, data mining, and information retrieval
83,822 experts · 68,869 papers
17 areas · 7,059 topics
Network and information security
67,706 experts · 53,290 papers
15 areas · 5,550 topics
Interdisciplinary, comprehensive, and emerging computing
111,858 experts · 46,353 papers
9 areas · 5,108 topics
Human-computer interaction and pervasive computing
77,670 experts · 43,820 papers
16 areas · 4,757 topics
Software engineering, system software, and programming languages
53,122 experts · 40,802 papers
14 areas · 4,459 topics
Databases, data mining, and information retrieval›Query processing and optimization
area
7,563 papers · 10,298 experts
Sub-topics
116 · with their number of papers; shaded topics divide further
query optimization 530cardinality estimation 360approximate query processing 354join processing 309top-k query processing 288query execution 269query rewriting 263XML query processing 170aggregate query processing 149selectivity estimation 128parallel query processing 120range query 118similarity join 114view maintenance 110OLAP 106probabilistic query processing 83query compilation 73adaptive query processing 71multi-query optimization 68similarity query processing 62cost model 60preference query 60query result caching 60cost estimation 44query scheduling 44materialized view 43aggregation 42analytical query processing 42uncertain data query processing 41interactive data exploration 40query result explanation 36complex data query processing 32query planning 31SQL query processing 30regret minimization 29user-defined functions 29incremental computation 26recursive query 26secure query processing 24keyword query processing 23ranking query 22shared computation 22compressed data processing 19adaptive sampling 18interactive query processing 16sorting 13crowdsourced query processing 11online query processing 11query debugging 10ranked enumeration 10materialization 9flexible queries 7selection queries 7pattern matching query 6result reuse 6semantic query processing 6complex query processing 5query processing architecture 5provenance query processing 4precomputation 3query quality optimization 3runtime optimization 3
Show 54 smaller topics (under 10 papers each)
branch-and-bound 9multi-attribute query 9multi-criteria decision making 9query reverse engineering 9semantic parsing 9constrained optimization 8query completeness 7ad-hoc query 6adaptive partitioning 6datalog rewriting 6enumeration algorithms 6lazy evaluation 6multiple-query processing 6query feedback 6ad hoc query processing 5big data querying 5database access optimization 5dynamic programming 5dynamic query evaluation 5intermediate representation 5join query 5query workload 5subset query 5analytical query 4analytical workloads 4complex query 4data flow optimization 4early pruning 4intermediate result caching 4iterative query processing 4parameterized queries 4partial evaluation 4query acceleration 4query graph 4semijoin reduction 4view matching 4business process querying 3constraint validation 3dynamic query 3hierarchical query processing 3hypothetical reasoning 3interactive query workload 3joint query processing 3long-running queries 3optimizer testing 3provenance summarization 3query hints 3query provenance 3rule rewriting 3scalable query processing 3search space reduction 3SIMD vectorization 3spilling 3workflow optimization 3
Experts on Query processing and optimization
10,298 · by weight: papers on the topic counted with recency (1 for a paper about it, 0.3 as context, halved every five years), summed over the area's topics