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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2 P- Q1 e4 V2 x7 S
globals[# ]* N/ J9 C2 J5 t6 n
xmax
% s! s& k: p7 g. p% j/ jymax
- F# i- r+ e9 T2 k+ c) b1 D$ g2 M6 X/ Kglobal-reputation-list w! K* y: J* w4 s$ W
; P/ B$ h- s3 Y4 F& r$ u$ p0 Q
;;每一个turtle的全局声誉都存在此LIST中
! O& e# j7 k, t" O0 wcredibility-list t8 s F* L1 ?
;;每一个turtle的评价可信度
; r- z' o6 G6 r8 ihonest-service
0 x. H4 S8 ^' funhonest-service
' k) O B$ q3 x- l7 woscillation5 z: ?1 o6 S u7 g/ F
rand-dynamic
, }, X0 v4 I" }; X]
4 V1 Z8 m) {& S6 ?( e$ X6 T1 W3 N! T1 Q
turtles-own[
# T2 ?5 S- P2 \; c, ntrade-record-all
6 R; L/ b9 t: W0 @* z2 U;;a list of lists,由trade-record-one组成
9 y+ i+ S# ]. O: P- [5 Qtrade-record-one; e1 d, U7 p5 }, r: B
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
# i' T6 `+ a0 C& M4 C. n
/ b5 h( \3 ^3 H7 b;;[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]]/ \7 @; y& }/ c: R) m( v
trade-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]
& W. F" b; q" A1 x. qcredibility-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
9 R1 ~& |7 }. u1 X6 x# \5 |neighbor-total3 c6 |" u0 w4 S
;;记录该turtle的邻居节点的数目
/ C% H; I- ~/ s, c0 ^; M/ xtrade-time+ R3 k& N( E) V, d9 B
;;当前发生交易的turtle的交易时间
* m1 Q l# c3 b9 Sappraise-give
3 `5 D& e0 f. |/ w1 d;;当前发生交易时给出的评价) i2 s, N6 L j7 H9 V7 K
appraise-receive9 k6 t& l& T- h! c; J8 Z$ U" y v
;;当前发生交易时收到的评价
1 G+ [' E5 P8 H0 |1 ~appraise-time
: m6 D/ s7 ?) n0 I# };;当前发生交易时的评价时间
8 V7 n, u. Q+ ]7 g$ C$ ^* Blocal-reputation-now;;此次交易后相对于对方turtle的局部声誉- z- m3 b6 [, @
trade-times-total
- T" |$ [' b& |;;与当前turtle的交易总次数7 f$ f3 Y) i8 E" D# T, ?7 I
trade-money-total
* \- d* ]; D4 _: d, {, h5 _* y;;与当前turtle的交易总金额
& o0 x$ ?. A3 p9 _* V- ]& |3 Vlocal-reputation
6 T- H+ k4 T# G; }/ p1 U% tglobal-reputation& ~$ r& s4 U8 |4 f
credibility
* q9 {- D0 W+ Z3 x4 w2 r8 z" B;;评价可信度,每次交易后都需要更新
& ]4 N+ L6 |( M( I, ~; V/ m% v, qcredibility-all# l2 ?7 H, g/ Z* r+ }: Q& [
;;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
4 U9 X' v8 s2 u: k% |" t
# w4 h2 f% C3 Q6 w9 Z8 |;;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& o0 \9 \& f4 k9 b6 X1 P( K7 c
credibility-one
0 U+ ]$ `& k# l2 F, `5 Q4 {;;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
+ c& u! u: B- i$ Sglobal-proportion6 v* O Z4 V) Q3 B) w/ e9 ?
customer
- W' Y' d% p/ |) | t: xcustomer-no
3 J( D7 ~ d$ S! M2 utrust-ok
" N7 Z* N2 B7 t/ d3 ftrade-record-one-len;;trade-record-one的长度- N, o3 l' d8 E* E" H
]
5 a5 E' T8 g& W' S4 T( Y+ r% v: I* k8 W
;;setup procedure
' r0 i4 B7 e0 {9 ~- ~
! v4 g( Q6 @6 ]3 Q* Wto setup
" a0 t8 r" q" N" _8 \0 j5 L
: s% g& }% h# Z Fca' e* c% F1 b; K% G
# B' d& }( h, y5 t( z( w; k" jinitialize-settings/ H! K2 m6 F h. l Y, j
6 Z5 n+ u) Q0 X* L {crt people [setup-turtles]- W- ~1 v* R+ I2 Y1 a6 \+ m$ ]
/ L( f, q) `+ b' c
reset-timer
% n, y- p, c/ f- k3 J: X3 D
& y6 U/ ^" @9 Opoll-class
. G6 _+ [& j0 x7 \6 J+ t# H, i4 p, l( f( o& O9 `/ @: b' _& ]; G
setup-plots* J- n: \+ v2 r
6 G/ |1 s5 w& ~2 S( Qdo-plots
, `" ]7 ~5 |1 R" h9 ^end
6 G( m0 U7 g2 ?( [% H% }6 {3 o; u r' @4 h, z( f
to initialize-settings
$ V5 e$ G! \! c( n V9 v( \) k& \
. R$ t' c8 Z4 }3 Z/ K7 Qset global-reputation-list []% G4 ]- t% U8 J' }* Z8 L
' x* ?* E% ?7 d' k5 D8 b N' zset credibility-list n-values people [0.5]
8 W3 S" v" e! L' j4 ^- J, t X; e* d( j
set honest-service 01 H% F0 O# y* ^( K
7 i& F% w6 L; Q X3 Q! S! K3 ?
set unhonest-service 0
2 m/ e ?% i, p- o: D3 O0 N/ u8 P) s1 }! |! i" q8 [8 W/ g8 j
set oscillation 0
) \, l7 h, ?; l; v; M: n' ^# h
. p: @- T1 A6 e6 T K2 n7 b4 }4 tset rand-dynamic 0( a/ p, q5 D, P. y! j# A
end7 b9 F3 w: `8 G" h b+ K3 [3 [9 u
9 Q! r( j* Q- b0 H; _8 V; Q5 B
to setup-turtles : m7 Y: l5 m9 G* m
set shape "person" G, U6 M. Z7 B0 |* k7 ]
setxy random-xcor random-ycor
4 R# |8 |7 R' nset trade-record-one []
( U& U C; G) c9 N, _. G* G6 Q2 ^2 E3 g7 A) m8 e- s+ a
set trade-record-all n-values people [(list (? + 1) 0 0)]
5 D0 K* `& s+ e: ^
1 |; G2 u+ y+ i! K. m* y7 e8 _set trade-record-current []
+ q) z2 z* P9 D, a8 bset credibility-receive []
( f/ ^( v: @6 X" _5 uset local-reputation 0.5
6 f5 @2 T F( e( mset neighbor-total 0
E% B0 O# @/ i/ [+ bset trade-times-total 0
" e* o* w) g, r* }; Wset trade-money-total 0
- U! f* e' r2 i9 qset customer nobody* V: ?3 J5 ^6 ^8 s- v2 q1 P
set credibility-all n-values people [creat-credibility]
9 \: X5 `* f+ s9 I1 W3 K8 O" e- Gset credibility n-values people [-1]- l5 y" d+ R0 O- t$ {
get-color8 v/ v* V; ]- u& V5 q3 ?& K3 _
8 c: g) R8 ~8 [- U- v4 v1 ~+ xend4 _9 W% v5 P, b
! i/ |$ F$ r7 [7 ^1 \6 q
to-report creat-credibility
5 d7 h; w1 _% o' l$ G3 N; ~report n-values people [0.5]
; l9 a( i& Q* x5 c( c2 v3 \% send G' \0 Y4 q. ~( t7 ], {- ]
& Y: `8 }3 ^$ n% W
to setup-plots! X2 {" X0 J' S& F# G- Y
& g5 E a& I$ B# x" B1 J8 \set xmax 30
- f6 ?; W0 V* `$ L6 `% f, b
8 |% w1 B5 M. O9 R; W: s' ~set ymax 1.03 G. H) i5 I4 O/ G' w" ~! n
4 i* S6 ?3 g" x( L& P, t
clear-all-plots
8 ?8 K2 c, p! Y
# v% n9 O! ^7 y# R; gsetup-plot16 v$ ?" o! I4 A0 L* G7 @# a) g0 L
: X+ R- @! q9 X7 S1 ^2 j4 } d4 w
setup-plot2
7 C( D H1 `' O# R
( q' P& N# l6 v7 h( E& S5 vsetup-plot3
2 U8 s! ]& w/ R( F& h$ Nend0 s7 z4 [7 L8 G* N7 \- j
7 [/ ]: U; h, _9 }3 A; K
;;run time procedures/ R8 k2 c/ N) n) s2 W) J
^/ I1 |9 e/ Nto go
2 L2 r; A% ]5 R$ P, n( H% p# j
$ s# {% c G( y7 Sask turtles [do-business], w. v, L6 k5 D
end/ i3 d2 K! s. C7 O. q3 [
; B* L y+ U5 p" x: G
to do-business 3 V+ ^4 s4 `) F! c$ o" n: B7 {
4 {0 X# c$ o, j& w ?4 J, a
" _/ U1 l+ ^( ]8 m2 l
rt random 3606 C% g1 x; h! s/ L! j
+ ]" Q- `& p5 e; x: E2 |fd 18 w9 I+ v5 q. b: X
' {$ ?( M0 y; g) p1 K- [1 Z$ w* C
ifelse(other turtles-here != nobody)[
8 l2 Q9 W6 G" W
9 U1 M: y3 c0 D* Rset customer one-of other turtles-here" A, |1 L! x6 a* h) F* J
, d2 R# S2 A8 A: u
;; set [customer] of customer myself
; v" q1 g% _& A6 J
7 c: o9 K% r2 Fset [trade-record-one] of self item (([who] of customer) - 1)
P+ G( V" m( m[trade-record-all]of self7 ^: {) X! X( B$ C- y5 o* Z( [
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
. T; F" L& `3 ?! \' J5 {
. K Q" q0 J; A' F" f. _7 Uset [trade-record-one] of customer item (([who] of self) - 1)1 S4 F, T1 F" p1 D
[trade-record-all]of customer6 @1 Y3 R2 }7 N, z5 F" {! H0 H
, {3 H" S0 a \. O8 O1 F1 M
set [trade-record-one-len] of self length [trade-record-one] of self
# d+ q$ S% y1 p) ~- S
' x4 E# S# Y/ T( V l5 A$ cset trade-record-current( list (timer) (random money-upper-limit))! Y+ B5 @7 x. h1 a1 |* U
; b' _$ G$ u) Y4 K0 D9 R0 `ask self [do-trust]
4 K2 ~# n% Y, o1 _7 b9 D/ ^5 w: `( C;;先求i对j的信任度# [8 p$ P% s6 P9 `# M' B8 c
5 ]1 X" {6 d9 z1 M6 {9 i0 A+ Y
if ([trust-ok] of self)
: I6 @5 O A. t;;根据i对j的信任度来决定是否与j进行交易[
: T# n, l) f% S% m d( Vask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself5 N v; Q( H6 K$ r5 ?
+ Q6 Z0 ~( c8 X, f5 W
[
/ }* ~# r2 |" X9 d" @
( N" d) u" W! Hdo-trade# h7 P$ {5 W' ` x) h% I
! M" |# [" q e% V5 F
update-credibility-ijl: l4 f) \7 i# A( C' o3 v
5 @% S5 ]( P3 m
update-credibility-list+ w8 N9 y. I! P5 i
# J6 b8 q% R5 I2 R) b. U1 R) e
* J3 S* f2 I, x2 I7 T9 | _update-global-reputation-list* B2 `: l8 X5 u! e% `4 ~: r# i" S
$ _( V" S6 w8 n0 L. p
poll-class
9 I/ L4 T6 \) N9 @' B. |6 |% t
get-color+ T2 q- e! h/ V
9 |* v i: M0 Y- D3 } I4 j]]
- W5 V4 t2 ~& C, u
. b, { Z5 P! p' l+ V: f;;如果所得的信任度满足条件,则进行交易
( J4 R+ Z" B" g. h' {" _4 v
* v* U# {' n4 R6 O# @% X[
9 A: t# u v4 J, Q7 O# r4 h( g
4 A3 S. O4 p |3 z f {) Srt random 3604 }! G y1 a: |7 U. k' _0 S# u6 p
( V1 _' n9 k) z. g' m8 bfd 1! R& b- ? J" i, J& D
/ ~) S, Z" @/ J* x! D& j$ ?: Q4 K# |1 p
]0 S: V/ C, e; a# O# p6 L( o
1 g/ |" @& y& q. m. Gend
- c) b" A: Q a) F, _+ d/ ^/ s, |, r' f2 L
to do-trust
& b7 x, j* Y8 E0 L. [# u# M5 dset trust-ok False
; z( t H; ?$ U% t9 Q# g5 m! l& ^1 t, e' d( H, c, ?
0 W; k a6 @4 a; y& {let max-trade-times 0
9 g+ y/ w0 c# K8 @% M/ h, \foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]] z4 @: x$ l% q' J4 ?' r3 ~
let max-trade-money 06 b* W$ {/ i7 W; M2 D& f
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]! J4 f! C5 i' Y' k6 L% ~3 a6 O# d( k6 u
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)). t/ T/ \! V# H. T6 j7 G
8 @8 a" Q: h- a! N) ^
" S6 R& q v5 A1 C6 k) K( Mget-global-proportion- f( E1 X* o; Y
let trust-value% c( G/ g* M! q: \& [6 }
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)( |+ } U X0 ^2 K/ l( K: q" X! a" \
if(trust-value > trade-trust-value)
6 a. U) _: A- {! M[set trust-ok true]
* s8 q* B# U3 bend
5 v, o7 }, B6 g- {1 C$ `1 ^! c# ]* g' ]
to get-global-proportion
! ?* _3 g l0 Xifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)2 _& I% m7 [3 W7 L4 @( o# Y5 t
[set global-proportion 0]/ B5 I) V! w" C: e
[let i 0- v" j- Y# Z, V4 k* {) }5 L
let sum-money 0
+ O0 m: I$ s% s6 Ewhile[ i < people]
" ]& U7 b$ u8 t" R0 d[
4 A2 d$ n1 p2 @( @& v4 ]- eif( length (item i
! n- m' l$ h5 |6 g% c[trade-record-all] of customer) > 3 )
! d- U0 ?) @$ @3 R" c[1 o" \4 v! J% G# W
set sum-money (sum-money + item 2(item i [trade-record-all] of myself)), l r' S; _3 \ R2 a' n
]
' o& n ]0 g9 w. v7 D]
8 K, h! u6 @: r% Y- Blet j 0
' l' ~3 }# |5 |) |# M0 llet note 0' t7 o6 a7 K5 x' ]
while[ j < people]. [; G X2 I8 j- n, L
[3 g |2 I) l u3 \
if( length (item i
" ~1 b9 Z- j# ][trade-record-all] of customer) > 3 ): t( q1 u" @; G$ m' I
[1 }' |% `5 @/ [+ E& f4 _
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)* e. P4 i4 \, \6 X
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]3 `$ `9 ^& b6 o6 p
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)], J) ]3 j3 }/ j- H- G0 i- v7 p
]; |: [% b& y! D- l$ n) N7 t
]
. O. z4 a1 j( g6 G7 z* zset global-proportion note# G j9 f' _5 V+ Q$ }. \5 w. v4 `
]
# X5 m- }0 m4 g$ r) Send
7 ?0 ^* r- Z0 p1 p4 a
6 g& D& m1 _( h C4 a4 l- mto do-trade7 C6 ~/ Z. \0 M0 R
;;这个过程实际上是给双方作出评价的过程
1 P( T5 } a- J' t: o3 pset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
, }( w6 V% \0 p7 B7 cset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
+ m: X; e' B% a: N8 bset trade-record-current lput(timer) trade-record-current# [. `7 j: x0 J- h# ~6 n( Y6 ~! y
;;评价时间: n/ {) g. f, q$ q( ^# q
ask myself [
+ i) y: N- Q- ^% D6 H$ ^( Z3 Mupdate-local-reputation
, y1 m; L7 U" c0 L/ p% M; l( cset trade-record-current lput([local-reputation] of myself) trade-record-current" Q' C; p) \3 ]' J% D# N- F& U
]
- {7 A: ~1 W4 w* f8 N0 Mset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
5 N0 ^9 r# s2 x R2 Z0 E: ^;;将此次交易的记录加入到trade-record-one中
$ b( }* I8 B6 o/ f7 vset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
/ [- V5 D1 ?! F4 vlet note (item 2 trade-record-current )5 S- E% [1 q, Y7 E1 {
set trade-record-current
8 g0 r6 \/ z4 G5 i# f4 n/ ?0 |(replace-item 2 trade-record-current (item 3 trade-record-current))% V$ \# }& A+ ~ Z a* h
set trade-record-current- n% Q0 n* g* v2 p( m3 O. E
(replace-item 3 trade-record-current note)
- Q* T7 i2 C# D4 H1 {6 g# l
. S3 Y" c- l! A9 E( r
; B# ~( `5 ?* y9 jask customer [
; E* i" c2 ^. |+ @4 gupdate-local-reputation, h$ V' [. r6 l7 x
set trade-record-current! U8 r. F X$ u4 s" z0 q% X
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 9 N% x: [2 m4 F8 v4 \
]
+ t9 {% h1 K8 V$ {1 |
) t- a: ~2 X7 P& I
/ P( T+ @+ R$ ^/ k0 U8 Sset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer7 p& U* y* ]/ |4 @" ?3 L
, [5 m5 h3 z5 P7 e) Q5 D
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))6 | u6 w b* Y: W3 l* f
;;将此次交易的记录加入到customer的trade-record-all中
1 T1 W* ]6 m; K0 rend
5 k) k- N5 n/ m/ c. w6 X3 p! y5 q1 X5 u0 B' a G0 I7 ^6 \% B
to update-local-reputation
9 ? Q4 P# j, g8 z4 ]# h* k% Fset [trade-record-one-len] of myself length [trade-record-one] of myself2 L. V* e( H" p& k9 S
0 }) A7 R9 d- O8 v+ S h8 ~- {8 w5 s% `4 X: v$ g" m. x8 y. N
;;if [trade-record-one-len] of myself > 3 ; P2 K0 v6 c% c8 x" F9 S8 Q
update-neighbor-total( c) \ K' c8 i; J: I; z/ C
;;更新邻居节点的数目,在此进行& V9 E+ ?$ o& p+ z# _; E! q, A( w% o, x
let i 3
) l" y( I9 A2 X: p% wlet sum-time 0 ]- ?0 J" E- e8 D
while[i < [trade-record-one-len] of myself]( s, x+ U% `! [7 |, D: t& j6 D$ Z
[% D% C+ H/ e7 \2 b+ g" J; \2 o+ _+ c
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
( t4 X* ~1 J& ]: [* Uset i
. N9 T8 \1 s+ g0 `9 D9 Z F/ p$ Z+ Q( i + 1)2 Z. j6 F2 k" e
]3 `' n% ]7 h0 o
let j 3
* ]5 I4 c) V+ [! T0 t; A1 h) |let sum-money 0) e/ Y* o2 d1 r. n
while[j < [trade-record-one-len] of myself]
* Y& \- Z% V+ D- D' d# C M[
8 V) n% |$ N6 m/ S5 D$ xset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
* J' B8 h4 v$ l) Tset j( _6 L9 u9 Q8 R* B' s
( j + 1)+ e8 f% q' `# _( q( K5 U
]9 e; s P$ r% {3 P' E3 [
let k 3
2 x7 V6 O8 E) |- K( i( e( rlet power 0' {' o4 |* { P- _4 @$ Y" L
let local 00 K3 W1 m6 a- R6 \' H% I
while [k <[trade-record-one-len] of myself]
) a7 M& d+ y `- A[0 w3 M, u/ r' w3 N* g v- c+ S: I
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) 1 Z4 I) k: J6 f3 `, Y. z# d+ u& |
set k (k + 1)3 e5 v5 F) s7 b1 ?
]
6 L8 ~% e! u& v, |, dset [local-reputation] of myself (local)
7 a2 S; y& f4 b; c) q3 |7 _end
' d) [7 F3 d. s( N2 P& w7 g$ g! V- i4 ?1 ?+ [% T8 n1 U
to update-neighbor-total
* I# ~: }# x6 a1 j" V
* h2 h6 O/ r! p7 g/ kif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
1 P2 F& S) c8 S! e% X: ~" g6 ]6 M% k- `. g& @3 y
3 [$ D7 Y6 h8 a9 G, z0 ^1 R; d
end
$ M9 d1 C4 W# ` U( I) y4 |
( [! r1 }" x2 S( E+ R1 gto update-credibility-ijl . {* w! R- x( o, V/ }! R
4 e& C, L0 J. X, ^
;;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。( t, D: I( |- O" E3 T- B+ N4 K+ v
let l 0+ B$ B$ C& i4 f( e5 [
while[ l < people ]/ {: S4 Z/ \& o* M0 l4 l/ j
;;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
6 c) E$ Y: q4 s& G- c1 U[
! S' [4 ?5 ?# n* nlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
4 d6 g! ^( W. J7 n; Q! Lif (trade-record-one-j-l-len > 3)
% }$ S4 K# _: n/ g( J) H[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
+ C m9 \, Z7 H3 Jlet i 3
7 J# G" [* i6 i# j$ Llet sum-time 0. g) V' j, u0 K1 K! X
while[i < trade-record-one-len]: `! m; n; F8 x
[
/ ?) e3 b" ^; a; R |set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )/ L- J D" \- [ ?; a& s9 S
set i
6 h* u6 ]0 j, Q. N( i + 1)
$ w' z" a) R. G* O1 ?]
' A, [3 \. ?0 u9 W3 Rlet credibility-i-j-l 0
& n3 L1 U% C) ? }: M7 f6 Z8 J;;i评价(j对jl的评价)
3 ?7 w# f* ?9 F/ G6 ?1 y9 wlet j 3
( @# \& z( J) g2 p3 mlet k 4
* [3 |) z/ l! o+ y6 E- b2 f+ y7 uwhile[j < trade-record-one-len]' b) t$ C- Z! R! W+ }
[2 M8 F- I6 e; \4 V
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8 _+ M' r9 }! P* u* D
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)
, M) T( |0 \8 `$ U; `set j
8 N0 [) h& M- w! J. \* P( j + 1)
p4 `! s2 g+ i5 K2 I]
) N& Q6 I9 a7 q: \set [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 )); i% B1 C9 K! R, f/ Y" S4 t
& i* x4 I3 d8 `1 K" R- T! N
* K5 h4 L( `' D( Mlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))4 i+ G0 y2 T9 W8 ^& C0 ~) g- i
;;及时更新i对l的评价质量的评价
1 i- x- C+ s t9 aset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ] L( V1 r) Y% s2 D. ^
set l (l + 1): F" |" q& L+ A9 Q. m; S0 u
]+ g) k1 K) C# m- {3 y
end/ E+ E0 u: S Z
; u' O* O% a$ k' Gto update-credibility-list' R" a1 u5 G! G2 J( e
let i 0
1 v* ^* w' ], B* o) Mwhile[i < people]9 f1 k1 Z% |7 o2 p/ a
[, z* W3 \4 R3 F# ?* _9 d, Z& Z3 Z
let j 0
4 ?$ I7 p T1 F* Ulet note 07 T( r3 M, l7 u/ |. C* O
let k 0
2 u2 ?$ e, ]1 f% v;;计作出过评价的邻居节点的数目; x- ^, t+ v5 c3 y) t! w% W1 |
while[j < people]# Q8 v) U& n H' [ A, b
[
4 e$ z" h' X( _4 ~( ]if (item j( [credibility] of turtle (i + 1)) != -1)+ f4 [0 k9 N* P: [& N
;;判断是否给本turtle的评价质量做出过评价的节点6 C( n- K6 p6 o
[set note (note + item j ([credibility]of turtle (i + 1)))
6 E1 q) B, G1 s5 w1 T;;*(exp (-(people - 2)))/(people - 2))]
* ^* m. Z/ b1 |/ _# \# x7 T4 Sset k (k + 1): k3 F4 d4 Q! q: }" c
]. o+ T$ a: {5 f, X
set j (j + 1)
1 {5 T- V( b$ K$ X- T; N+ {! j]
9 m _& f# G1 K& `! U/ n4 ]set note (note *(exp (- (1 / k)))/ k)" W: O' L, ?/ h
set credibility-list (replace-item i credibility-list note)
* y2 F/ R3 T K2 D4 \; Z$ wset i (i + 1)( {5 f% C2 d7 F- X( z
]
, j- X/ I. Z. ?! q+ R, q; {( Bend5 Z3 ?0 h3 C- k3 Q7 ]8 ]
% h- {$ `& j! Q1 V2 cto update-global-reputation-list Y8 B$ b3 D* J- p) c% x
let j 0
6 E3 b3 X6 v8 G8 G* Q0 t3 Vwhile[j < people]! q6 A* [7 E. Q6 k: F, t
[
, }% |, C5 p5 b, rlet new 0
$ ^: D" L4 m0 l# `;;暂存新的一个全局声誉# v7 _& F3 O4 A% a7 e3 i+ r
let i 0
$ p4 Y' M# n1 Z# M: `2 qlet sum-money 0! _0 g8 _8 [/ ]* j
let credibility-money 0
! N( V# E d2 ^6 c4 m8 K' mwhile [i < people]
8 S6 d6 M! u0 r% w+ Z: Z& k[
" ~2 i( p2 |: M8 k1 b7 t& xset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
$ A7 u. ~4 A" [% G3 Lset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))0 B6 S* y5 A7 J- E# A( p2 v Y
set i (i + 1)
* h- E3 {- z) q$ x6 s3 y, n! ]]: j+ D: s/ A3 b+ i2 X% y
let k 0
6 i- R9 e8 ?& S2 p( S1 I- e! Alet new1 0! \: z4 v! z m( P( Q: c
while [k < people]$ t3 @! ]# e1 k; a! }8 U! b# ]# u% q% k
[3 R' O; p" `" G; M2 o2 S' L0 V9 y
set 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)! W% H! x2 f/ T$ _# ^
set k (k + 1)& u5 S/ _" T6 O$ L- k% ]9 H
]
2 J7 N, y, L. U9 @set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
7 e1 u) P& \) t( b. ?set global-reputation-list (replace-item j global-reputation-list new)
3 ]9 Z- J8 A9 _9 r O6 ]set j (j + 1)
" ]1 c* c# k/ @]
3 S) p$ _" J( |+ q+ F, Iend4 ?9 F# ?6 q+ W" A! {
6 L% }6 A0 X/ \
, m5 F4 m7 b% M+ ]- c) R. z `
) ?* W# W( g# e- T- i" Ato get-color
% K& A2 ^ E) D
. _; y0 C; K6 m( k% P7 qset color blue& \# w9 c. }- r7 J+ V- d3 _2 ?
end
+ E, w! Q" x- v$ a4 E1 d# m9 U4 `$ q: ^7 B
to poll-class
" X% x8 B9 `9 \1 T; ]! dend; y; ]0 _- |- M2 L. G
0 r# J# w; L4 \9 q$ B9 Ito setup-plot15 ?/ {; k6 H) Y
: z: u9 f* T! v5 {' L! @
set-current-plot "Trends-of-Local-reputation"
/ R/ c+ J2 a+ V0 N8 {- k7 `1 K# ~0 X! c) D
set-plot-x-range 0 xmax
E+ b7 C$ Y$ Z& m8 B# ]; \2 t! s1 \# i9 r1 k
set-plot-y-range 0.0 ymax
/ ?5 q' b* h tend
9 }+ z' p( C& J# B3 Z8 b
, P4 `' p! j$ q, `% Q" @" Jto setup-plot2
. Y R8 [! D8 c" v7 ]6 h+ m$ \
: b% @- D; \' @$ pset-current-plot "Trends-of-global-reputation"5 ^) q) W7 i/ \6 X3 O$ ~0 b
4 Z7 A1 a- k' N& R# oset-plot-x-range 0 xmax
8 a/ D6 S9 K: i6 q, z7 @4 g5 l Q3 @8 A4 p+ C
set-plot-y-range 0.0 ymax6 k' v( x6 ?; @; t: ?
end6 B6 E0 g0 p; v4 ^4 C
# t( M& z! i D+ V* |2 w6 o' G- nto setup-plot3. o; N. ]* p4 g: u! U* D. I
4 b( e+ x8 h9 ~/ u9 J
set-current-plot "Trends-of-credibility"
" `/ {6 h5 F) i# C$ d7 B; g
2 \" j, g( [4 ?5 y) ^0 Qset-plot-x-range 0 xmax
2 ^) `: e& f" p( C( B
$ e" x! T/ `. i% r- S, sset-plot-y-range 0.0 ymax
5 n& q1 |0 v5 R f3 cend
. R- M6 m1 X) n& O1 q6 a$ H; G: M% K& g, h7 A& P, s+ {
to do-plots
# p8 j& f# _; v8 p* s; O5 Mset-current-plot "Trends-of-Local-reputation"( ?% E$ a9 m4 S, z2 Y. X
set-current-plot-pen "Honest service"
1 ^) {0 f! N% y- zend
9 \4 V& [4 ^* e$ A/ C. \9 z9 O+ W% |. ]4 n+ `/ a. f' J
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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