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楼主 |
发表于 2008-3-18 13:10:54
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你好,这是我现在正在写着的程序,以上问题就在其中,请多指教, L3 }+ H+ @3 i5 a6 S
globals[
! @& n0 W. B+ X. w5 \xmax7 ^" `( M$ Q0 i/ t' v4 z
ymax# d b8 v0 p7 {- e% c4 \$ c( C
global-reputation-list
9 C9 z7 J/ H* ]3 K# J) z( G* A0 w3 s3 W1 o* V
;;每一个turtle的全局声誉都存在此LIST中
, j% i2 u$ G& J; R/ Pcredibility-list
2 ?1 x7 n6 K6 h% P" O( B" j. m8 F;;每一个turtle的评价可信度
' Z9 R9 J" J9 E5 _( U N- V8 _' shonest-service; B5 G+ i" a% K7 ^! t7 W3 ^
unhonest-service' D$ e U+ N: { s$ v Z: Y8 T
oscillation- b( k K" s- v9 L
rand-dynamic
# a* G4 ?% i$ {# V% Z+ T' Y& n]
: }* Y& j& u, d& T, U; x( c2 u# @' y' [# @2 b1 x" m8 n
turtles-own[. a/ t) q* M8 ?% F5 q7 d% ]
trade-record-all
Q% {' |" w8 v8 a0 A; o;;a list of lists,由trade-record-one组成1 D: _/ \. D- w* i2 |/ V i/ {
trade-record-one
7 k4 k6 ?$ e7 j C; j! ~- {* V4 {;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录, F) r. W m9 S" Q( d
/ i* e, r1 E. k( c! V, p& N2 z;;[对方turtle的编号,交易总次数,交易总金额,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]]
8 f, {/ ?7 [: f% `, G0 X" o: mtrade-record-current;;list,trade-record-one中的这个list,作为暂存用,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]
0 z* b/ T+ h% [5 l5 q* Ucredibility-receive ;;list,他每个turtle还需要有一个存储其他turtle对其评价质量进行评价的list
- y# Z1 R' x5 G L6 U" wneighbor-total
) T2 ]: ]4 G. R/ N6 {0 N( Q0 {0 s;;记录该turtle的邻居节点的数目
6 u+ X! \( p( W' z! @2 Ktrade-time
1 g) o: |* O) {! W;;当前发生交易的turtle的交易时间: q- V/ {1 M) P8 j' s9 t3 q
appraise-give
; N, d6 [8 Q; [3 ?* W x$ _;;当前发生交易时给出的评价
! y" L. T7 c# fappraise-receive
$ X% B$ {; D5 i o* v. ]& b;;当前发生交易时收到的评价
: L; Z. @( [0 |4 e1 k1 S( G+ eappraise-time
. \# |' ^# y9 { T4 s& f# j;;当前发生交易时的评价时间+ P- ^; B! Z7 P' U' ?. V, n
local-reputation-now;;此次交易后相对于对方turtle的局部声誉( V7 \- |, {/ k$ P p; E/ ^
trade-times-total1 f- {! ]# P) t
;;与当前turtle的交易总次数 l$ u& A) `' s% z# D
trade-money-total
2 y: V: o f6 ^- n;;与当前turtle的交易总金额
7 t7 P) F! X: s5 B& p6 l+ e* llocal-reputation
2 P2 c$ y v, ]$ Kglobal-reputation
: |. A$ [1 Q) z: @$ R- J" P6 t1 ncredibility
8 k; ~/ U* I6 l7 B1 h, G( a;;评价可信度,每次交易后都需要更新/ |5 J$ \& ~9 z+ f7 i! [/ g1 g, e
credibility-all
8 y, c% v9 x+ M" n4 x;;a list of lists,由credibility-one组成。[[1对j的评价质量的评价][2对j的评价质量的评价]……[i对j的评价质量的评价]……],其中一共有people项,根据
' X* Z/ _. l9 n/ j- L2 t% b) i( e6 H& g) X* @
+ C$ Q. @2 E4 Z/ M/ x! ];;turtle的编号对号入座,对于其自身的编号,在计算用到的时候再进行剔减,初始值均为0.5
/ t: {- d; W; e d3 Gcredibility-one
" v' ^% f4 M, s; g;;a list [i对j给1的评价的质量评价,i对j给2的评价的质量评价……],其中一共有people项3 b( y+ U) N4 M D9 g/ a
global-proportion @ K% s5 a! Z5 o9 @# }( y& ^
customer: g! I$ e- ?1 v
customer-no* f0 ?) w/ b2 d: H1 [
trust-ok
( R1 ?7 |1 I+ itrade-record-one-len;;trade-record-one的长度2 d1 k% {4 B T2 E( r- P& A
]
9 L4 g3 X! r/ k0 F: b7 a( r5 x+ ?. {* j5 D+ m
;;setup procedure
2 Z9 w: V: j9 T5 @# u1 I* X h# W, g
, V2 \/ q* N. }! n' ~to setup7 c. E) V7 s1 }, C* B: A, [
2 c) c9 w, e* U. P7 @; T
ca+ U2 P# w& _, A2 Z4 o7 p: Z9 C$ h
7 b( z% B* J- x# Ninitialize-settings
j+ u9 I {+ D5 C8 ?. x' b( x- L( S" T) q/ {
crt people [setup-turtles]
, ~2 J; v! p) F# i- f1 T: g/ D% N
3 j! z. n4 q$ Wreset-timer
K$ i2 k+ r& k$ H, j% v% Z O. _" X' |
poll-class
1 l9 Y* }1 B* g7 Z' C( [; B
2 s2 Z9 ?: `: T: J/ m# w8 ~setup-plots
" v e4 t: e* ~, N& M
/ N* B7 b8 O5 T% Y! Pdo-plots, K+ a# Q1 R% M1 j, P+ ?/ l5 p% G
end4 |& R3 W6 Q3 k" `
4 J A/ v: `" r
to initialize-settings
9 L: v n, @% d8 _" m/ H' m+ z. @* o; Q3 D/ o$ ^" h* b
set global-reputation-list []: a) e4 n4 e3 |9 C
8 N- a* l/ D+ T" |2 ~2 x
set credibility-list n-values people [0.5]' M( B# h8 s9 b1 d
( q- y1 G1 g9 Y0 E/ b' b# Vset honest-service 0
) ^$ A7 f( d+ z: w; Q( Q s; j8 Z' `, W1 W/ {% A- Z2 E
set unhonest-service 0. ~) y; x, L+ G) D
* o; q- A9 g; ?: @
set oscillation 0+ v4 b e, a8 l! R. `/ M
. k/ i: f1 X+ Tset rand-dynamic 0
) e$ s$ i' b, b/ H4 Uend" l; t* [: g( _4 U" z3 B
+ l" `. j8 @2 J+ v5 I
to setup-turtles ; [0 K4 H; d1 ]* m. w+ o9 X5 V) W! J
set shape "person"
% b8 t) M. n% W! c H% e5 {" ?setxy random-xcor random-ycor
: \+ {+ w* a3 E2 t' E$ v$ Lset trade-record-one []( v/ g* U) T& H8 H9 S: ^
1 P0 q+ z; l/ S* f: c" v3 p
set trade-record-all n-values people [(list (? + 1) 0 0)]
/ x7 n9 \2 }0 ^, x" C6 [- H- s0 n
. { u* @6 A' e# Z- [ F6 ]* [set trade-record-current []% w$ U$ L- Z% ?5 I' |( U) w8 r
set credibility-receive []
* G2 }& O4 }% Q- R0 l% f, {9 ?- l$ eset local-reputation 0.5$ p8 y g1 S* c4 Y. }# [1 p
set neighbor-total 0
9 i: N+ X8 u( o& f3 R" I4 }- T+ {) Sset trade-times-total 0& Y0 d7 g9 r/ }: Q. C
set trade-money-total 05 K' | R. I+ H; c1 K {! P, k
set customer nobody) F0 k! G7 T R; }. k6 ?0 x! Y
set credibility-all n-values people [creat-credibility]
7 r4 Q, ]; X3 O9 d2 F1 Lset credibility n-values people [-1]) D4 N. z; E; Q
get-color! ^( E3 F( U7 v+ [7 b& e0 Y
0 d$ }+ A+ q' gend. e) a- P$ z: x& z5 {, t
, z# i' Q. ^. N6 F! q) ? E# |
to-report creat-credibility9 S4 I9 `' C0 m: }. N$ y
report n-values people [0.5]
/ N8 M4 ^3 @ M! Eend
" _$ v$ B8 P. y& S) D/ o! s
5 v9 V/ _& ~+ bto setup-plots' f. B# p) m% u9 c) r
5 \% u h( k. y9 K' e4 {* A3 w
set xmax 30
; O; j4 e2 m5 T" ~2 q8 B& @- F- \8 y9 V+ ^& o2 B3 `- A
set ymax 1.0
: f7 t% h) B% D, |; I
9 W8 z5 D" N+ s7 v I3 ^clear-all-plots
5 F: _# G+ q5 ]
- v* R' [3 B1 B% _3 H$ u+ F! bsetup-plot1( u; H/ V. U8 P1 l+ ?4 u
5 |7 a1 C9 m+ Q$ Vsetup-plot2' V U/ H) P; J- D! Y
( O9 J! z! j, V# I# m% P$ F( G
setup-plot3
' o& ~) s) p/ a1 P! d9 D* \4 I" ?end2 t3 ^1 ^) b* Y2 v
0 r6 c' K4 B0 a9 J) w;;run time procedures
$ J& x* m& P1 X; k% w( g# l9 E" c! ?6 W4 L: o+ F( C! l+ ]
to go: C/ `$ [5 K0 b; I5 u
3 K2 t& P4 L& F0 G" I$ `! {9 @ask turtles [do-business]* C9 K$ S) ~$ m$ H2 f
end) g8 ^) C0 O% ?3 [% T" q
" R3 I0 d4 T% e
to do-business
+ V- O7 X4 c. g! ?: J; h7 y# p8 x8 d/ y
$ G- V. S0 ?- _5 v+ c8 f! v8 C% P2 S9 x3 t* {+ {' r; p
rt random 360
5 V E1 K0 E8 n
$ e0 x& U+ B) P- zfd 17 w" ]/ F( Y* Z
7 R$ w" V8 f; z; U9 L- Z* Rifelse(other turtles-here != nobody)[1 a) z1 C1 ~! n' B
% E, S$ G5 @& o% R. F2 z
set customer one-of other turtles-here
* Q' o0 m9 x! r8 G, [ Q) F1 h' o7 p! o5 |) Y( ]8 O
;; set [customer] of customer myself8 _. Z w1 E5 }5 [& @
6 V9 H$ Y. I' p c3 Kset [trade-record-one] of self item (([who] of customer) - 1)' l; H2 F4 O* r/ ?3 c1 r% g
[trade-record-all]of self
* H ^6 K' z, t5 E6 G;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
r `# K, m! k% h
" \" s0 r3 V O5 N. i0 h9 h: uset [trade-record-one] of customer item (([who] of self) - 1)
+ O6 n# j7 g- V; c8 V[trade-record-all]of customer
( d( D) }* E7 F6 F; _* u0 @) o) y8 h A" p# U; ]) ~6 e
set [trade-record-one-len] of self length [trade-record-one] of self9 o+ s% v. ]. q5 b8 r9 ~- U
2 n+ l% g! S+ Q- ?2 O7 t1 ?
set trade-record-current( list (timer) (random money-upper-limit))
+ k6 a9 ]! L. [' s$ m( ]) w5 E; E/ M K; ?- T
ask self [do-trust]
/ N) v: N* h: I1 P: U;;先求i对j的信任度! T! R7 s- N' T" T' @' L
8 `3 }6 B- q7 F( L% e' h* j D
if ([trust-ok] of self)/ q, w! W8 v% H' Z# d) S- g+ v
;;根据i对j的信任度来决定是否与j进行交易[3 u" w3 d" P+ M5 Q% c
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself( N8 \2 D! ]+ _$ f$ h
/ p& E2 x2 G3 y4 k) T4 [ s7 M5 |
[" D: G( F L6 s- F# J
; X/ f2 K" t8 l$ ido-trade
" v; v. p E3 `5 [, _9 O( k3 a: `/ L" j1 c
update-credibility-ijl k* c) Y3 s/ P: P1 J w
. N3 b- Q4 V4 t. W6 X% Lupdate-credibility-list
/ h: U# {( n) [: W5 ^3 a
/ e( p) ?1 \8 ^7 f+ Y, Z6 e1 Z3 l$ L: W1 @6 Y2 K* V" |
update-global-reputation-list
' r& d) l% P2 S* J9 q! O* j5 N3 p
poll-class- k+ p, W) `* n6 S* t+ v
( [: D4 I) M% S8 Uget-color
1 ~" u: V2 h/ u
* M0 h& \8 P* []]
! p2 O3 M D8 y7 u o& ?7 P" v5 N0 ^6 [" y/ \
;;如果所得的信任度满足条件,则进行交易4 ?) @ c/ s _' r
1 N- T. Y. J, G9 v$ E% C9 r n0 r
[" d/ ~- c3 A# _" g
& u( Y+ S1 w* m. E1 B2 N( c0 ]& c# Trt random 360# ~& p4 q3 n3 v! r
* z/ M1 w V% l% K: ofd 1
9 j" g* l4 B4 n/ J4 O0 O R* m8 H! r" I* g' S
]0 U3 r0 X5 _9 Y+ l" Z
1 ^. \9 w6 Q2 x2 u
end C& ?+ z9 W# S- V7 p! m- h
$ T3 |6 \/ w8 g$ Bto do-trust
8 Z0 |7 F/ p3 q( X* k$ q$ gset trust-ok False
( |6 @! ]+ N% S
! g! p% I! r6 Z3 u- z
+ G* A6 X8 z2 ylet max-trade-times 0
0 J9 B; x) `2 B* Qforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]; _; X; y W/ t+ h+ f* U
let max-trade-money 0
" V* {5 W8 {6 q; c Gforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
. n; p C! _! d5 Z' G% p1 elet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)): j3 i7 w2 H5 X8 Q1 B# w$ z
9 R9 N/ h7 f0 N" d& n& z
1 \. v" w$ F1 V4 m+ ]get-global-proportion
( h# w7 {+ v8 X( t/ u' T8 Qlet trust-value+ t- b. h, U! N& h3 p1 P/ ?3 i& M3 C
local-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
0 m2 H+ V( t% J0 ^6 C; K3 Iif(trust-value > trade-trust-value)- }5 F8 a! e8 S' D' L
[set trust-ok true]
& P# r( _2 ~* x$ s6 }/ Lend, }3 F: u9 x" ^4 w+ T E# m- x6 V8 R
& T1 b, Q5 H: o; `to get-global-proportion
`' B, @7 Z9 ?ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)9 Y5 [% i! J5 E) |. R; P
[set global-proportion 0]) p0 @+ I3 e+ _" g7 B
[let i 0: e' [; }/ ]1 p" ?2 p3 T
let sum-money 0
% K# S( l9 l) D' n- {while[ i < people]
" J$ H) D* h' T) H7 A1 r8 n[
. L0 x' W1 S* l' Nif( length (item i* V. N1 Z W7 K4 u" T: M w1 e
[trade-record-all] of customer) > 3 )
0 Y; d+ F! j4 e* \2 Q9 r* t[6 y' m {; Y) p* Z1 A- v
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))* S7 {* U8 I$ r* [. w! W' K5 e! u
]
5 j4 \- D% a2 ^, k3 }6 f]
3 Y# b* p0 f; hlet j 0
( A9 _; O5 z8 k# U' u. ^& {. Y alet note 0. \* g4 p2 s6 B4 M2 ~" p; h( a
while[ j < people]7 t; o1 l' o8 {& Z2 f! [
[2 {( c! a E' Q1 U7 g- t' x
if( length (item i
0 t% O" z2 d' _: W7 |3 D' R9 D' t[trade-record-all] of customer) > 3 )
- m: f$ O6 |7 F' z6 V6 [5 t) ~[6 A1 B: e3 e. B0 U8 ]6 ]; j
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
! |! T( x, i: J" _( j[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
6 c9 J; d6 _- F1 L% S% x! L P/ m[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]9 u6 D# a* I4 O( l3 q c; a
]
' M! ^# x2 P. R]
+ i) j% ]/ ]1 } O4 c1 Qset global-proportion note
E$ _& l* f" H) F]
, [+ e T8 Y l& L" v9 eend
1 i$ B5 d0 f3 `( B `) ^5 }3 y! T8 y
to do-trade) {2 o! T, e w" d
;;这个过程实际上是给双方作出评价的过程% Q. B" S S$ M* p! R
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
4 m3 `6 F# f. y0 \+ @set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价! d `2 j" N( U& g
set trade-record-current lput(timer) trade-record-current- J# U( p' H6 E3 T8 {
;;评价时间
$ \$ g H7 ^ O; b# T. H) s# A# H! {# Jask myself [5 b7 m6 ?* z" h0 C
update-local-reputation
% `" r) z- _+ H7 K4 v/ ]! l5 wset trade-record-current lput([local-reputation] of myself) trade-record-current
$ @. e* s" A( c( m- Z1 |]
1 @$ v8 x3 J) v- R" }& ~$ Iset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
0 u2 ~0 h6 F8 b6 \: z3 q/ N;;将此次交易的记录加入到trade-record-one中
/ n @- D+ Q' V5 P; }% h4 W2 H4 Zset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)# o" w/ ^( X- W! V4 I% ^3 ^, a
let note (item 2 trade-record-current )
8 u( ^4 Y4 G4 S: {% ~- q: u- z" r. xset trade-record-current
- N. z7 _" e" f- G9 L(replace-item 2 trade-record-current (item 3 trade-record-current))$ m7 H# L7 G/ J
set trade-record-current
6 U. L. f8 |7 Q2 G(replace-item 3 trade-record-current note)
5 q- `# P6 M- E
2 j9 `" U: `: D+ o' i
5 @- i' ]( a ]5 M7 J6 f. X% zask customer [; Y* N9 R. D# R0 t6 I' s, _, @
update-local-reputation( n0 R2 F" @! V* ~7 r9 n& H+ W
set trade-record-current h6 ]$ i8 M+ t/ P+ e6 O
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) : ]$ z' c4 {3 T7 ?5 a
]
# G: @1 R% B( l: x5 |, [" B4 N8 C) i9 m
% T; A3 @2 G1 ]- G2 ~: ~8 y" f
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer6 `* W) @! ~+ c4 v) r
5 J9 Z( o) F2 o+ O( x; y
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))+ m' B9 _0 H+ q
;;将此次交易的记录加入到customer的trade-record-all中
4 J2 r6 o3 X* Lend
) C, r- [ n- W% }
y' P O) b8 G" J5 A& e6 wto update-local-reputation
! ~, {! \ z' X8 h4 Nset [trade-record-one-len] of myself length [trade-record-one] of myself
# L: r+ i- Q9 B% b- W1 z: b
$ g4 [7 J/ L; o, O, \$ t1 X. i
& M) G) \ C0 j* ~;;if [trade-record-one-len] of myself > 3 5 W+ d L. b/ T3 X% G& [
update-neighbor-total( G( v) T6 H0 B6 g3 m
;;更新邻居节点的数目,在此进行
. j! Q1 u% d* {5 }% zlet i 32 F m# P! G5 k. u
let sum-time 0
+ p+ \. U, ~0 d* w4 \while[i < [trade-record-one-len] of myself]
0 J/ H7 {6 X; F' Z( e3 u4 C; }[' a! K4 ?: C" O/ j* y j" ^3 D
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )* o, m3 j+ ]$ w4 e* M5 X
set i
+ Q7 S5 c% j2 c2 b* X( i + 1)1 z q3 P6 Q. }6 U7 C1 u
]0 D' \+ v. `9 O7 A
let j 3
( [+ Y3 b6 s6 Q! \& plet sum-money 0
7 i' ]8 m8 N, a) Xwhile[j < [trade-record-one-len] of myself]
# C# l/ @; w6 I5 x. O+ Z% b" E6 B5 r[
/ }/ g5 N- B* v5 _3 }set sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)& {% ?/ l% B! H$ h
set j
9 @, I/ \( P6 r( j + 1)
1 c& v# k# ?' V/ V" g. u]
2 D1 V& o7 ?* vlet k 3; u# L/ h$ K8 R y. `6 [- \/ }
let power 0 E& `. a9 j6 z% v+ p
let local 0 s- q! j! P1 V% {! A# w& C, T+ n
while [k <[trade-record-one-len] of myself]
% m6 R/ O! ~4 ^$ b& }+ f[2 p9 k, l$ f% m2 l* e& K
set local (local + (item 0 (item k [trade-record-one] of myself)) * (item 1 (item k [trade-record-one] of myself)) * (item 2 (item k [trade-record-one] of myself)) / sum-time / sum-money)
- ?7 z( { c# x0 K) I5 `% d' lset k (k + 1)
* ^, t% H: w3 s0 ]]# z8 w8 J: P/ n& b7 ?# |
set [local-reputation] of myself (local)
% ?: O2 P& y+ u9 J: Xend
. x ?- ^8 O8 r z( ~8 t1 a: T& d0 S, G: u/ i1 _) H
to update-neighbor-total
) w1 C$ V. P9 q+ D" c+ g) i- c$ m9 M6 Y; [( b9 j
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
$ l3 _/ {6 {0 I
. X( q2 a f+ }( q, D' X# ~
$ A: E1 B; C0 O, s1 `5 ]end
; C7 z4 H+ |& [$ v6 M; \
* l; d2 w0 t4 O- N; Q% E' z4 jto update-credibility-ijl
( \# L7 B+ r3 @- A4 L# V
- H Q0 T' M' G% @: D& V;;思路:每一次,当一个turtle发和另一个turtle成功发生交易作出了评价之后,就去搜索本次交易对象的邻居节点,对这些邻居节点的评价质量作出评价。
; C- i; {: t9 p6 z, U9 {) z$ U# Xlet l 0& y; n7 m- a6 I3 f( x& t3 l: j
while[ l < people ]
! n& @( E, X& Y+ n0 b# Z;;对j的邻居节点的trade-record进行扫描,以对j的邻居节点的评价质量进行评价
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; ~3 t0 r( o! C+ i- Flet trade-record-one-j-l-len length item l ([trade-record-all] of customer)* f' ], M: N$ U5 y2 I" O: ?
if (trade-record-one-j-l-len > 3)
8 H, h5 D0 u8 b, O/ Z5 w[let trade-record-one-j-l item l ([trade-record-all] of customer);;暂存那个评价质量正在被评价的turtle j的与l的trade-record-one
) Y* k; Y6 p2 e; j4 a% @0 ?let i 3
`# m8 d" G u' n- {$ z' O9 |let sum-time 0
0 A, c3 {5 `( F2 E6 a4 |# pwhile[i < trade-record-one-len]
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set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )$ O2 i; ]6 d' b) i$ X! q
set i
0 I& u. X$ |" o1 w( i + 1)6 J7 ]: @5 W" B2 j
]
; l% u y# \6 D( L3 olet credibility-i-j-l 0
# }% t2 J! r. `) g( Z; P3 |! Y;;i评价(j对jl的评价)! V) j4 i9 C. J1 u z2 O, D- L! v
let j 3( Y. E; ~# `/ G, n6 G% p
let k 4. v( n# ~% f. L
while[j < trade-record-one-len]
% l; R4 s3 V- y" ~* t$ }[4 P- @4 E1 v$ L+ `1 M( S& w( g* y
while [((item 4(item j [trade-record-one] of myself)) - item 4(item k trade-record-one-j-l)) > 0][set k (k + 1)];;首先要寻找在i第k次给l评价的这一时刻,l相对于j的局部声誉# V" h! y/ W, G4 B Z2 T" H q% x
set credibility-i-j-l ( credibility-i-j-l + (item 4(item j [trade-record-one] of myself)) * (1 - abs ((item 3(item j [trade-record-one] of myself)) - item 5 (item k trade-record-one-j-l) ) )/ sum-time)
: ]( @* Q* i( `3 Nset j
; k# T W: F8 P# R) l( m- ^( j + 1)
E0 x3 {+ n/ K, O]
. P7 c* U7 M- gset [credibility-all] of turtle l (replace-item ([who] of myself - 1)([credibility-all] of turtle l)(replace-item ([who] of customer - 1) (item ([who] of myself - 1) [credibility-all] of turtle l) credibility-i-j-l ))8 p$ D. B9 O( d. X% Z0 J4 F
; C* _; r/ P9 x0 A3 N, [
. n2 Y1 R" A* y7 w3 R! q2 Olet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))7 t0 M/ [9 X& E+ v9 H
;;及时更新i对l的评价质量的评价$ q: J, I6 ?) B1 S0 H4 I( J) c3 i
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]' v7 X/ |) f+ N& l, z) R
set l (l + 1)' c" p5 i$ f% o- ~+ }- z3 f$ |% b) O
]; p2 O( ^' s" g8 i6 K6 ]
end. N& `; y( x$ |' {. c1 x. w
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to update-credibility-list
_# _* R0 i* c9 Z) blet i 0' M8 m; e1 J8 y5 I
while[i < people]/ b b- `$ C' D$ e4 m- B5 b
[& r: T0 [% D- O$ l' V' B
let j 07 N5 v+ v: d* _' O
let note 0
- Z1 Q- z) Y" d& J! Flet k 0' a8 t2 ~3 w% W* [$ S/ k- Q4 O9 W8 M/ J
;;计作出过评价的邻居节点的数目
0 E; j; @' t3 ]% b. ]! ~# Wwhile[j < people]
1 _$ x& [- {: G4 b4 o2 K# p% h2 g[
6 Z0 o/ g1 {" {! V1 L3 N, lif (item j( [credibility] of turtle (i + 1)) != -1)
1 m8 ~) W* O7 g' Z# R6 j' h;;判断是否给本turtle的评价质量做出过评价的节点8 a# r% ^& Z3 S/ C/ Z
[set note (note + item j ([credibility]of turtle (i + 1)))0 ~' F& a$ s% }2 e. ^( \
;;*(exp (-(people - 2)))/(people - 2))]
7 r* _. ]! G; `set k (k + 1)
- F+ L/ A; q) k! L% U0 e]
5 y, ?3 S9 o- g8 {9 d7 ~; Dset j (j + 1)
+ v, \6 v( O* c+ i& I; l J& b# ^7 W]
0 x& a9 B D9 ]* _) Aset note (note *(exp (- (1 / k)))/ k)
& Z/ o2 V8 V3 C" M2 F! zset credibility-list (replace-item i credibility-list note)$ f2 ^- v* c! a5 e) j$ X
set i (i + 1)- k7 q2 |6 M+ u: q7 E
]5 Z7 x$ b" ] y N' `0 v0 Q0 B
end8 _! ?6 G) E- E4 ]) }5 l
! f0 ^, T6 E1 E0 A
to update-global-reputation-list
; P8 C1 f) Y% Q7 u5 t, a0 z4 j! plet j 0
$ [/ G- b% z+ J3 {: d) n7 Pwhile[j < people]
3 ~' c. w- ~$ e- _# w( W2 [. x% D[
# F6 W) O3 ?: H+ rlet new 07 N, b, T. T9 x3 B2 [8 }1 ?
;;暂存新的一个全局声誉
; c* x! h, J& P4 L( E6 Z3 ]& elet i 0
( k. ?8 B3 g* N; t6 ulet sum-money 0
# K) V% a7 d- C2 E# o/ |let credibility-money 0
* _' X7 s* ?0 y/ \while [i < people]6 [2 M8 ?; c* u* N
[
/ j! Z# c# Y) J+ I- G& S& v4 l' B6 bset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))), y3 Y4 c$ U3 \- p. y+ V0 n
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))7 a, h' n6 i% C; b/ w$ u! _
set i (i + 1)% M2 Z- E, I/ c8 [8 @3 @: ]( b
]
K- F( I' e1 z4 jlet k 0
$ [( s' h- o5 ]. O3 v4 ~* @& `# alet new1 05 _9 E. C, H# \! f" \
while [k < people]
- a+ E3 P( y8 d5 |[
5 s [! Y4 h' ^5 Fset new1 (new1 + (item k credibility-list)* item 2(item k [trade-record-all] of turtle (j + 1))* (item 5 (last (item k [trade-record-all] of turtle(j + 1)))) / credibility-money)
. G% W+ ^' s1 v/ s3 g: Y0 Yset k (k + 1)
" P0 O. Y9 l% `# s+ O5 s" g]1 }) m# N( F: x3 w# h
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ; ]" U6 S. I# `' n$ R% ?
set global-reputation-list (replace-item j global-reputation-list new). N& \% o* w" {* e1 h/ }# v/ f
set j (j + 1)
! _' ]4 G4 ^: W' e# n( E]
8 ~' K5 b/ }' E X+ p1 y0 J7 Vend
/ J$ e* ~. o5 w- ^9 X7 i9 x
: e) W" k y, J* y
L) Z' Y4 t _- Q( m6 A) T
; m% G7 { s6 }- H2 ]4 y, ]to get-color
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4 ^1 ]0 L* R& ?/ t4 d I Mset color blue6 x _/ u4 y# \6 e9 s% X' X6 S
end
8 Y( w' `0 y G: m8 d
# B! T# y: { x6 \ K n2 i6 q0 k4 lto poll-class
0 Z5 G: h; A* T& [1 nend1 B9 Y7 M* V3 S$ _7 \! H9 j
8 [4 h1 B( c* H9 ` x* l
to setup-plot1
2 z5 a9 Q M: E+ G- X& k% g, Q4 {1 ~4 j( w9 J$ G* I; t7 U" M' M
set-current-plot "Trends-of-Local-reputation"
1 ^1 N" }. z- V0 r! n2 _
# E# Y" u9 w" b% f: g0 T8 lset-plot-x-range 0 xmax
8 n/ L0 ]6 w s; E, b* o
1 R% \6 c$ p# `: Lset-plot-y-range 0.0 ymax
+ f9 U- w* ^0 o% f- d4 f- wend
3 l- J7 s' D3 b; V! {: i. `. E% h7 P2 q# w u( ~7 c2 \
to setup-plot27 r& E( p5 I8 G, L9 P. F
& B6 ], Z4 H- p- H; Wset-current-plot "Trends-of-global-reputation"' j% B( x0 q& } c9 l$ U
' Y& e$ L, x' o0 j' a* Xset-plot-x-range 0 xmax
3 V5 }7 O) S" b) T' h2 G1 S
1 M0 ^ C: I' G" Aset-plot-y-range 0.0 ymax: s, E7 }' S/ p2 ^# c
end
4 C) q2 h( M: H# O& f9 t, b" c3 v5 o) F2 w* C
to setup-plot3
+ u$ d0 V# Z, L4 |: X2 ?: o7 f+ G9 e( G4 z& z
set-current-plot "Trends-of-credibility"* W( `: w& M# ^4 i/ Y# Z9 q
- \: k" T5 {: ^+ W
set-plot-x-range 0 xmax
6 M5 i, _: _7 i' V; i8 a5 d- }% X5 R8 N- e# b
set-plot-y-range 0.0 ymax
0 o& P/ X' G% hend
6 t( D2 b7 o1 ^2 O4 Q5 q% t- S6 k$ X: n
to do-plots4 G9 C) I9 ?$ Z+ L6 l9 H
set-current-plot "Trends-of-Local-reputation"
7 W! h8 |* H* `; q, R; Jset-current-plot-pen "Honest service"0 a" |, U/ H) @2 S# o2 Q3 |* M
end
7 g$ Z0 Y6 B# m! Q& d# S6 ~
5 p8 N) S# L; c[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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